398318954 has 16 divisors (see below), whose sum is σ = 652186080. Its totient is φ = 180945360.

The previous prime is 398318951. The next prime is 398318981. The reversal of 398318954 is 459813893.

It is not an unprimeable number, because it can be changed into a prime (398318951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40757 + ... + 49575.

It is an arithmetic number, because the mean of its divisors is an integer number (40761630).

Almost surely, 2^398318954 is an apocalyptic number.

398318954 is a deficient number, since it is larger than the sum of its proper divisors (253867126).

398318954 is a wasteful number, since it uses less digits than its factorization.

398318954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885.

The product of its digits is 933120, while the sum is 50.

The square root of 398318954 is about 19957.9296020404. The cubic root of 398318954 is about 735.7726793343.

The spelling of 398318954 in words is "three hundred ninety-eight million, three hundred eighteen thousand, nine hundred fifty-four".