404608402 has 16 divisors (see below), whose sum is σ = 666924192. Its totient is φ = 182569120.

The previous prime is 404608397. The next prime is 404608417. The reversal of 404608402 is 204806404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64108 + ... + 70135.

It is an arithmetic number, because the mean of its divisors is an integer number (41682762).

Almost surely, 2^404608402 is an apocalyptic number.

404608402 is a deficient number, since it is larger than the sum of its proper divisors (262315790).

404608402 is a wasteful number, since it uses less digits than its factorization.

404608402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134393.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 404608402 is about 20114.8801139853. The cubic root of 404608402 is about 739.6250852247.

It can be divided in two parts, 404 and 608402, that added together give a palindrome (608806).

The spelling of 404608402 in words is "four hundred four million, six hundred eight thousand, four hundred two".