39466404 has 18 divisors (see below), whose sum is σ = 99762390. Its totient is φ = 13155456.

The previous prime is 39466391. The next prime is 39466421. The reversal of 39466404 is 40466493.

39466404 is a `hidden beast` number, since 3 + 9 + 4 + 6 + 640 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35426304 + 4040100 = 5952^2 + 2010^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1096289 = 39466404 / (3 + 9 + 4 + 6 + 6 + 4 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548109 + ... + 548180.

It is an arithmetic number, because the mean of its divisors is an integer number (5542355).

Almost surely, 2^39466404 is an apocalyptic number.

It is an amenable number.

39466404 is an abundant number, since it is smaller than the sum of its proper divisors (60295986).

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

39466404 is a wasteful number, since it uses less digits than its factorization.

39466404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096299 (or 1096294 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 39466404 is about 6282.2292221790. The cubic root of 39466404 is about 340.4676494458.

The spelling of 39466404 in words is "thirty-nine million, four hundred sixty-six thousand, four hundred four".