400314398 has 8 divisors (see below), whose sum is σ = 655059960. Its totient is φ = 181961080.

The previous prime is 400314389. The next prime is 400314403. The reversal of 400314398 is 893413004.

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

It is a super-2 number, since 2×400314398² = 320503234492204808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9098033 + ... + 9098076.

It is an arithmetic number, because the mean of its divisors is an integer number (81882495).

Almost surely, 2^400314398 is an apocalyptic number.

400314398 is a deficient number, since it is larger than the sum of its proper divisors (254745562).

400314398 is a wasteful number, since it uses less digits than its factorization.

400314398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18196122.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 400314398 is about 20007.8584061363. The cubic root of 400314398 is about 736.9992911960. Note that the first 3 decimals are identical.

The spelling of 400314398 in words is "four hundred million, three hundred fourteen thousand, three hundred ninety-eight".