404415964 has 12 divisors (see below), whose sum is σ = 724989888. Its totient is φ = 197276000.

The previous prime is 404415961. The next prime is 404415967. The reversal of 404415964 is 469514404.

It is an interprime number because it is at equal distance from previous prime (404415961) and next prime (404415967).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404415961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232812 + ... + 1233139.

It is an arithmetic number, because the mean of its divisors is an integer number (60415824).

Almost surely, 2^404415964 is an apocalyptic number.

It is an amenable number.

404415964 is a deficient number, since it is larger than the sum of its proper divisors (320573924).

404415964 is a wasteful number, since it uses less digits than its factorization.

404415964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465996 (or 2465994 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 404415964 is about 20110.0960713767. The cubic root of 404415964 is about 739.5078075948.

The spelling of 404415964 in words is "four hundred four million, four hundred fifteen thousand, nine hundred sixty-four".