428932472 has 16 divisors (see below), whose sum is σ = 807858240. Its totient is φ = 213503616.

The previous prime is 428932433. The next prime is 428932477. The reversal of 428932472 is 274239824.

It is a super-3 number, since 3×428932472³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428932477) 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, 118433 + ... + 122000.

It is an arithmetic number, because the mean of its divisors is an integer number (50491140).

Almost surely, 2^428932472 is an apocalyptic number.

It is an amenable number.

428932472 is a deficient number, since it is larger than the sum of its proper divisors (378925768).

428932472 is a wasteful number, since it uses less digits than its factorization.

428932472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240662 (or 240658 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 428932472 is about 20710.6849717724. The cubic root of 428932472 is about 754.1590988581.

The spelling of 428932472 in words is "four hundred twenty-eight million, nine hundred thirty-two thousand, four hundred seventy-two".