409022994 has 32 divisors (see below), whose sum is σ = 866623680. Its totient is φ = 128336832.

The previous prime is 409022993. The next prime is 409023037. The reversal of 409022994 is 499220904.

It is not an unprimeable number, because it can be changed into a prime (409022993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6472 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (27081990).

Almost surely, 2^409022994 is an apocalyptic number.

409022994 is an abundant number, since it is smaller than the sum of its proper divisors (457600686).

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

409022994 is a wasteful number, since it uses less digits than its factorization.

409022994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23034.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 409022994 is about 20224.3168982292. The cubic root of 409022994 is about 742.3053223361.

The spelling of 409022994 in words is "four hundred nine million, twenty-two thousand, nine hundred ninety-four".