402092928 has 48 divisors (see below), whose sum is σ = 1157067600. Its totient is φ = 134030592.

The previous prime is 402092921. The next prime is 402092941. The reversal of 402092928 is 829290204.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×402092928² = 323357445495226368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 402092892 and 402092901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402092921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173368 + ... + 175671.

It is an arithmetic number, because the mean of its divisors is an integer number (24105575).

Almost surely, 2^402092928 is an apocalyptic number.

402092928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

402092928 is an abundant number, since it is smaller than the sum of its proper divisors (754974672).

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

402092928 is a wasteful number, since it uses less digits than its factorization.

402092928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349059 (or 349044 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 402092928 is about 20052.2549355428. The cubic root of 402092928 is about 738.0891337029.

The spelling of 402092928 in words is "four hundred two million, ninety-two thousand, nine hundred twenty-eight".