399822954 has 8 divisors (see below), whose sum is σ = 799645920. Its totient is φ = 133274316.

The previous prime is 399822953. The next prime is 399822989. The reversal of 399822954 is 459228993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

399822954 is an admirable number.

It is a super-2 number, since 2×399822954² = 319716789090572232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 399822897 and 399822906.

It is not an unprimeable number, because it can be changed into a prime (399822953) 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, 33318574 + ... + 33318585.

It is an arithmetic number, because the mean of its divisors is an integer number (99955740).

Almost surely, 2^399822954 is an apocalyptic number.

399822954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399822954 is a wasteful number, since it uses less digits than its factorization.

399822954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66637164.

The product of its digits is 1399680, while the sum is 51.

The square root of 399822954 is about 19995.5733601215. The cubic root of 399822954 is about 736.6975765122.

The spelling of 399822954 in words is "three hundred ninety-nine million, eight hundred twenty-two thousand, nine hundred fifty-four".