409704992 has 12 divisors (see below), whose sum is σ = 806606766. Its totient is φ = 204852480.

The previous prime is 409704983. The next prime is 409705007. The reversal of 409704992 is 299407904.

It can be written as a sum of positive squares in only one way, i.e., 321269776 + 88435216 = 17924^2 + 9404^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401609 + ... + 6401672.

Almost surely, 2^409704992 is an apocalyptic number.

It is an amenable number.

409704992 is a deficient number, since it is larger than the sum of its proper divisors (396901774).

409704992 is a wasteful number, since it uses less digits than its factorization.

409704992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803291 (or 12803283 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 409704992 is about 20241.1707171300. The cubic root of 409704992 is about 742.7176623444.

The spelling of 409704992 in words is "four hundred nine million, seven hundred four thousand, nine hundred ninety-two".