351228528 has 160 divisors (see below), whose sum is σ = 1213017600. Its totient is φ = 95053824.

The previous prime is 351228523. The next prime is 351228529. The reversal of 351228528 is 825822153.

351228528 is a `hidden beast` number, since 3 + 5 + 122 + 8 + 528 = 666.

It is a super-2 number, since 2×351228528² = 246722957762093568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 351228492 and 351228501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351228523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54400 + ... + 60512.

It is an arithmetic number, because the mean of its divisors is an integer number (7581360).

Almost surely, 2^351228528 is an apocalyptic number.

351228528 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351228528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606508800).

351228528 is an abundant number, since it is smaller than the sum of its proper divisors (861789072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351228528 is a wasteful number, since it uses less digits than its factorization.

351228528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156 (or 6144 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 351228528 is about 18741.0919639172. The cubic root of 351228528 is about 705.5534630792.

The spelling of 351228528 in words is "three hundred fifty-one million, two hundred twenty-eight thousand, five hundred twenty-eight".