406794660 has 24 divisors (see below), whose sum is σ = 1139025216. Its totient is φ = 108478560.

The previous prime is 406794653. The next prime is 406794667. The reversal of 406794660 is 66497604.

It is an interprime number because it is at equal distance from previous prime (406794653) and next prime (406794667).

It is not an unprimeable number, because it can be changed into a prime (406794667) 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, 3389896 + ... + 3390015.

It is an arithmetic number, because the mean of its divisors is an integer number (47459384).

Almost surely, 2^406794660 is an apocalyptic number.

It is an amenable number.

406794660 is an abundant number, since it is smaller than the sum of its proper divisors (732230556).

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

406794660 is a wasteful number, since it uses less digits than its factorization.

406794660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779923 (or 6779921 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 406794660 is about 20169.1511968154. The cubic root of 406794660 is about 740.9548545475.

The spelling of 406794660 in words is "four hundred six million, seven hundred ninety-four thousand, six hundred sixty".