406906992 has 60 divisors (see below), whose sum is σ = 1175521984. Its totient is φ = 131258880.

The previous prime is 406906957. The next prime is 406906993. The reversal of 406906992 is 299609604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406906993) 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, 41113 + ... + 50040.

Almost surely, 2^406906992 is an apocalyptic number.

It is an amenable number.

406906992 is an abundant number, since it is smaller than the sum of its proper divisors (768614992).

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

406906992 is a wasteful number, since it uses less digits than its factorization.

406906992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91198 (or 91189 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 406906992 is about 20171.9357524259. The cubic root of 406906992 is about 741.0230505268.

The spelling of 406906992 in words is "four hundred six million, nine hundred six thousand, nine hundred ninety-two".