351051728 has 40 divisors (see below), whose sum is σ = 708808800. Its totient is φ = 168223104.

The previous prime is 351051713. The next prime is 351051739. The reversal of 351051728 is 827150153.

It is a junction number, because it is equal to n+sod(n) for n = 351051694 and 351051703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61775 + ... + 67217.

It is an arithmetic number, because the mean of its divisors is an integer number (17720220).

Almost surely, 2^351051728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351051728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354404400).

351051728 is an abundant number, since it is smaller than the sum of its proper divisors (357757072).

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

351051728 is a wasteful number, since it uses less digits than its factorization.

351051728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 351051728 is about 18736.3744625261. The cubic root of 351051728 is about 705.4350569904.

The spelling of 351051728 in words is "three hundred fifty-one million, fifty-one thousand, seven hundred twenty-eight".