406598990 has 16 divisors (see below), whose sum is σ = 836432352. Its totient is φ = 139405344.

The previous prime is 406598963. The next prime is 406599019. The reversal of 406598990 is 99895604.

It is a congruent number.

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, 2904209 + ... + 2904348.

It is an arithmetic number, because the mean of its divisors is an integer number (52277022).

Almost surely, 2^406598990 is an apocalyptic number.

406598990 is an abundant number, since it is smaller than the sum of its proper divisors (429833362).

406598990 is a wasteful number, since it uses less digits than its factorization.

406598990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808571.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 406598990 is about 20164.2998886646. The cubic root of 406598990 is about 740.8360346590.

The spelling of 406598990 in words is "four hundred six million, five hundred ninety-eight thousand, nine hundred ninety".