428653932 has 48 divisors (see below), whose sum is σ = 1144238592. Its totient is φ = 122348160.

The previous prime is 428653931. The next prime is 428653933. The reversal of 428653932 is 239356824.

It is an interprime number because it is at equal distance from previous prime (428653931) and next prime (428653933).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (428653931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109033 + ... + 112895.

It is an arithmetic number, because the mean of its divisors is an integer number (23838304).

Almost surely, 2^428653932 is an apocalyptic number.

428653932 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

428653932 is an abundant number, since it is smaller than the sum of its proper divisors (715584660).

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

428653932 is a wasteful number, since it uses less digits than its factorization.

428653932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198 (or 5196 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 428653932 is about 20703.9593314902. The cubic root of 428653932 is about 753.9958183296.

The spelling of 428653932 in words is "four hundred twenty-eight million, six hundred fifty-three thousand, nine hundred thirty-two".