405674404 has 12 divisors (see below), whose sum is σ = 719929728. Its totient is φ = 199980200.

The previous prime is 405674393. The next prime is 405674413. The reversal of 405674404 is 404476504.

It is a self number, because there is not a number n which added to its sum of digits gives 405674404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713932 + ... + 714499.

It is an arithmetic number, because the mean of its divisors is an integer number (59994144).

Almost surely, 2^405674404 is an apocalyptic number.

It is an amenable number.

405674404 is a deficient number, since it is larger than the sum of its proper divisors (314255324).

405674404 is a wasteful number, since it uses less digits than its factorization.

405674404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428506 (or 1428504 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 405674404 is about 20141.3605300139. The cubic root of 405674404 is about 740.2740669766.

The spelling of 405674404 in words is "four hundred five million, six hundred seventy-four thousand, four hundred four".