406538936 has 16 divisors (see below), whose sum is σ = 788545800. Its totient is φ = 196260064.

The previous prime is 406538933. The next prime is 406538941. The reversal of 406538936 is 639835604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406538933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875930 + ... + 876393.

Almost surely, 2^406538936 is an apocalyptic number.

It is an amenable number.

406538936 is a deficient number, since it is larger than the sum of its proper divisors (382006864).

406538936 is a wasteful number, since it uses less digits than its factorization.

406538936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752358 (or 1752354 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 406538936 is about 20162.8107167627. The cubic root of 406538936 is about 740.7995594432.

The spelling of 406538936 in words is "four hundred six million, five hundred thirty-eight thousand, nine hundred thirty-six".