406996923 has 16 divisors (see below), whose sum is σ = 572092416. Its totient is φ = 256989120.

The previous prime is 406996903. The next prime is 406996939. The reversal of 406996923 is 329699604.

It is not a de Polignac number, because 406996923 - 2²² = 402802619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406996903) 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, 42186 + ... + 50927.

It is an arithmetic number, because the mean of its divisors is an integer number (35755776).

Almost surely, 2^406996923 is an apocalyptic number.

406996923 is a deficient number, since it is larger than the sum of its proper divisors (165095493).

406996923 is a wasteful number, since it uses less digits than its factorization.

406996923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93194.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 406996923 is about 20174.1647410742. The cubic root of 406996923 is about 741.0776379684.

The spelling of 406996923 in words is "four hundred six million, nine hundred ninety-six thousand, nine hundred twenty-three".