406430676 has 24 divisors (see below), whose sum is σ = 1053709440. Its totient is φ = 135476856.

The previous prime is 406430671. The next prime is 406430707. The reversal of 406430676 is 676034604.

406430676 is a `hidden beast` number, since 4 + 0 + 643 + 0 + 6 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 406430676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406430671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881516 + ... + 1881731.

It is an arithmetic number, because the mean of its divisors is an integer number (43904560).

Almost surely, 2^406430676 is an apocalyptic number.

It is an amenable number.

406430676 is an abundant number, since it is smaller than the sum of its proper divisors (647278764).

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

406430676 is a wasteful number, since it uses less digits than its factorization.

406430676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763260 (or 3763252 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 406430676 is about 20160.1258924641. The cubic root of 406430676 is about 740.7337960987.

The spelling of 406430676 in words is "four hundred six million, four hundred thirty thousand, six hundred seventy-six".