428035344 has 80 divisors (see below), whose sum is σ = 1269799680. Its totient is φ = 122878080.

The previous prime is 428035337. The next prime is 428035379. The reversal of 428035344 is 443530824.

It is a super-4 number, since 4×428035344⁴ (a number of 36 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11302 + ... + 31365.

It is an arithmetic number, because the mean of its divisors is an integer number (15872496).

Almost surely, 2^428035344 is an apocalyptic number.

428035344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

428035344 is an abundant number, since it is smaller than the sum of its proper divisors (841764336).

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

428035344 is a wasteful number, since it uses less digits than its factorization.

428035344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42708 (or 42702 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 428035344 is about 20689.0150563046. The cubic root of 428035344 is about 753.6329480593.

The spelling of 428035344 in words is "four hundred twenty-eight million, thirty-five thousand, three hundred forty-four".