409684964 has 24 divisors (see below), whose sum is σ = 797008128. Its totient is φ = 182985120.

The previous prime is 409684931. The next prime is 409684969. The reversal of 409684964 is 469486904.

It is not an unprimeable number, because it can be changed into a prime (409684969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125462 + ... + 128685.

It is an arithmetic number, because the mean of its divisors is an integer number (33208672).

Almost surely, 2^409684964 is an apocalyptic number.

It is an amenable number.

409684964 is a deficient number, since it is larger than the sum of its proper divisors (387323164).

409684964 is a wasteful number, since it uses less digits than its factorization.

409684964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254195 (or 254193 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The square root of 409684964 is about 20240.6759768541. The cubic root of 409684964 is about 742.7055598219.

The spelling of 409684964 in words is "four hundred nine million, six hundred eighty-four thousand, nine hundred sixty-four".