332407428 has 12 divisors (see below), whose sum is σ = 775617360. Its totient is φ = 110802472.

The previous prime is 332407379. The next prime is 332407429. The reversal of 332407428 is 824704233.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×332407428² = 220989396379150368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (332407429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13850298 + ... + 13850321.

It is an arithmetic number, because the mean of its divisors is an integer number (64634780).

Almost surely, 2^332407428 is an apocalyptic number.

It is an amenable number.

332407428 is an abundant number, since it is smaller than the sum of its proper divisors (443209932).

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

332407428 is a wasteful number, since it uses less digits than its factorization.

332407428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27700626 (or 27700624 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 332407428 is about 18232.0439885384. The cubic root of 332407428 is about 692.7186921107.

The spelling of 332407428 in words is "three hundred thirty-two million, four hundred seven thousand, four hundred twenty-eight".