406925420 has 36 divisors (see below), whose sum is σ = 939297072. Its totient is φ = 147972000.

The previous prime is 406925401. The next prime is 406925501. The reversal of 406925420 is 24529604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81656 + ... + 86495.

Almost surely, 2^406925420 is an apocalyptic number.

It is an amenable number.

406925420 is an abundant number, since it is smaller than the sum of its proper divisors (532371652).

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

406925420 is a wasteful number, since it uses less digits than its factorization.

406925420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168182 (or 168169 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 406925420 is about 20172.3925204721. The cubic root of 406925420 is about 741.0342368395.

The spelling of 406925420 in words is "four hundred six million, nine hundred twenty-five thousand, four hundred twenty".