406503964 has 6 divisors (see below), whose sum is σ = 711381944. Its totient is φ = 203251980.

The previous prime is 406503959. The next prime is 406503989. The reversal of 406503964 is 469305604.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50812992 + ... + 50812999.

Almost surely, 2^406503964 is an apocalyptic number.

It is an amenable number.

406503964 is a deficient number, since it is larger than the sum of its proper divisors (304877980).

406503964 is a wasteful number, since it uses less digits than its factorization.

406503964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101625995 (or 101625993 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 406503964 is about 20161.9434579110. The cubic root of 406503964 is about 740.7783167177.

The spelling of 406503964 in words is "four hundred six million, five hundred three thousand, nine hundred sixty-four".