409888602 has 24 divisors (see below), whose sum is σ = 893546784. Its totient is φ = 135790344.

The previous prime is 409888601. The next prime is 409888607. The reversal of 409888602 is 206888904.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (409888601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66918 + ... + 72785.

It is an arithmetic number, because the mean of its divisors is an integer number (37231116).

Almost surely, 2^409888602 is an apocalyptic number.

409888602 is an abundant number, since it is smaller than the sum of its proper divisors (483658182).

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

409888602 is a wasteful number, since it uses less digits than its factorization.

409888602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139874 (or 139871 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 409888602 is about 20245.7057669028. The cubic root of 409888602 is about 742.8285958423.

The spelling of 409888602 in words is "four hundred nine million, eight hundred eighty-eight thousand, six hundred two".