406306504 has 8 divisors (see below), whose sum is σ = 761824710. Its totient is φ = 203153248.

The previous prime is 406306489. The next prime is 406306531. The reversal of 406306504 is 405603604.

It can be written as a sum of positive squares in only one way, i.e., 317908900 + 88397604 = 17830^2 + 9402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25394149 + ... + 25394164.

Almost surely, 2^406306504 is an apocalyptic number.

It is an amenable number.

406306504 is a deficient number, since it is larger than the sum of its proper divisors (355518206).

406306504 is a wasteful number, since it uses less digits than its factorization.

406306504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50788319 (or 50788315 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 406306504 is about 20157.0460137392. The cubic root of 406306504 is about 740.6583525106.

The spelling of 406306504 in words is "four hundred six million, three hundred six thousand, five hundred four".