406012704 has 48 divisors (see below), whose sum is σ = 1100171520. Its totient is φ = 130970880.

The previous prime is 406012703. The next prime is 406012727. The reversal of 406012704 is 407210604.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (406012703) 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, 65239 + ... + 71190.

It is an arithmetic number, because the mean of its divisors is an integer number (22920240).

Almost surely, 2^406012704 is an apocalyptic number.

It is an amenable number.

406012704 is an abundant number, since it is smaller than the sum of its proper divisors (694158816).

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

406012704 is a wasteful number, since it uses less digits than its factorization.

406012704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136473 (or 136465 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 406012704 is about 20149.7569216107. The cubic root of 406012704 is about 740.4797862533.

The spelling of 406012704 in words is "four hundred six million, twelve thousand, seven hundred four".