406620604 has 12 divisors (see below), whose sum is σ = 766323544. Its totient is φ = 187671024.

The previous prime is 406620601. The next prime is 406620607. The reversal of 406620604 is 406026604.

It is an interprime number because it is at equal distance from previous prime (406620601) and next prime (406620607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406620601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3909762 + ... + 3909865.

Almost surely, 2^406620604 is an apocalyptic number.

It is an amenable number.

406620604 is a deficient number, since it is larger than the sum of its proper divisors (359702940).

406620604 is a wasteful number, since it uses less digits than its factorization.

406620604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819644 (or 7819642 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 406620604 is about 20164.8358287391. The cubic root of 406620604 is about 740.8491615537.

The spelling of 406620604 in words is "four hundred six million, six hundred twenty thousand, six hundred four".