416323978 has 16 divisors (see below), whose sum is σ = 723752064. Its totient is φ = 175911120.

The previous prime is 416323969. The next prime is 416323987. The reversal of 416323978 is 879323614.

It is an interprime number because it is at equal distance from previous prime (416323969) and next prime (416323987).

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, 208425 + ... + 210412.

It is an arithmetic number, because the mean of its divisors is an integer number (45234504).

Almost surely, 2^416323978 is an apocalyptic number.

416323978 is a deficient number, since it is larger than the sum of its proper divisors (307428086).

416323978 is a wasteful number, since it uses less digits than its factorization.

416323978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418917.

The product of its digits is 217728, while the sum is 43.

The square root of 416323978 is about 20404.0186728007. The cubic root of 416323978 is about 746.6959713821.

The spelling of 416323978 in words is "four hundred sixteen million, three hundred twenty-three thousand, nine hundred seventy-eight".