398683236 has 24 divisors (see below), whose sum is σ = 1063155520. Its totient is φ = 113909472.

The previous prime is 398683223. The next prime is 398683249. The reversal of 398683236 is 632386893.

It is an interprime number because it is at equal distance from previous prime (398683223) and next prime (398683249).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 2373031 + ... + 2373198.

Almost surely, 2^398683236 is an apocalyptic number.

It is an amenable number.

398683236 is an abundant number, since it is smaller than the sum of its proper divisors (664472284).

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

398683236 is a wasteful number, since it uses less digits than its factorization.

398683236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746243 (or 4746241 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The square root of 398683236 is about 19967.0537636377. The cubic root of 398683236 is about 735.9969109236.

The spelling of 398683236 in words is "three hundred ninety-eight million, six hundred eighty-three thousand, two hundred thirty-six".