402928104 has 16 divisors (see below), whose sum is σ = 1007320320. Its totient is φ = 134309360.

The previous prime is 402928093. The next prime is 402928121. The reversal of 402928104 is 401829204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8394312 + ... + 8394359.

It is an arithmetic number, because the mean of its divisors is an integer number (62957520).

Almost surely, 2^402928104 is an apocalyptic number.

It is an amenable number.

402928104 is an abundant number, since it is smaller than the sum of its proper divisors (604392216).

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

402928104 is a wasteful number, since it uses less digits than its factorization.

402928104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788680 (or 16788676 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 402928104 is about 20073.0691225831. The cubic root of 402928104 is about 738.5998017487.

The spelling of 402928104 in words is "four hundred two million, nine hundred twenty-eight thousand, one hundred four".