406461764 has 6 divisors (see below), whose sum is σ = 711308094. Its totient is φ = 203230880.

The previous prime is 406461751. The next prime is 406461787. The reversal of 406461764 is 467164604.

It can be written as a sum of positive squares in only one way, i.e., 400000000 + 6461764 = 20000^2 + 2542^2 .

It is a super-2 number, since 2×406461764² = 330422331187983392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50807717 + ... + 50807724.

It is an arithmetic number, because the mean of its divisors is an integer number (118551349).

Almost surely, 2^406461764 is an apocalyptic number.

It is an amenable number.

406461764 is a deficient number, since it is larger than the sum of its proper divisors (304846330).

406461764 is a wasteful number, since it uses less digits than its factorization.

406461764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101615445 (or 101615443 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 406461764 is about 20160.8969046518. The cubic root of 406461764 is about 740.7526819313.

The spelling of 406461764 in words is "four hundred six million, four hundred sixty-one thousand, seven hundred sixty-four".