409253676 has 24 divisors (see below), whose sum is σ = 1028381424. Its totient is φ = 125924160.

The previous prime is 409253659. The next prime is 409253683. The reversal of 409253676 is 676352904.

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, 1311555 + ... + 1311866.

It is an arithmetic number, because the mean of its divisors is an integer number (42849226).

Almost surely, 2^409253676 is an apocalyptic number.

It is an amenable number.

409253676 is an abundant number, since it is smaller than the sum of its proper divisors (619127748).

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

409253676 is a wasteful number, since it uses less digits than its factorization.

409253676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623441 (or 2623439 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 409253676 is about 20230.0191794274. The cubic root of 409253676 is about 742.4448452949. Note that the first 3 decimals are identical.

The spelling of 409253676 in words is "four hundred nine million, two hundred fifty-three thousand, six hundred seventy-six".