363639404 has 48 divisors (see below), whose sum is σ = 696175200. Its totient is φ = 165597696.

The previous prime is 363639403. The next prime is 363639421. The reversal of 363639404 is 404936363.

It is a super-2 number, since 2×363639404² = 264467232282950432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (363639403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249542 + ... + 250994.

It is an arithmetic number, because the mean of its divisors is an integer number (14503650).

Almost surely, 2^363639404 is an apocalyptic number.

It is an amenable number.

363639404 is a deficient number, since it is larger than the sum of its proper divisors (332535796).

363639404 is a wasteful number, since it uses less digits than its factorization.

363639404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 363639404 is about 19069.3315037523. The cubic root of 363639404 is about 713.7678447635.

The spelling of 363639404 in words is "three hundred sixty-three million, six hundred thirty-nine thousand, four hundred four".