400094828 has 24 divisors (see below), whose sum is σ = 807674112. Its totient is φ = 169865424.

The previous prime is 400094819. The next prime is 400094857. The reversal of 400094828 is 828490004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63776 + ... + 69767.

It is an arithmetic number, because the mean of its divisors is an integer number (33653088).

Almost surely, 2^400094828 is an apocalyptic number.

It is an amenable number.

400094828 is an abundant number, since it is smaller than the sum of its proper divisors (407579284).

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

400094828 is a wasteful number, since it uses less digits than its factorization.

400094828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133661 (or 133659 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 400094828 is about 20002.3705595112. The cubic root of 400094828 is about 736.8645200174.

The spelling of 400094828 in words is "four hundred million, ninety-four thousand, eight hundred twenty-eight".