331983456 has 48 divisors (see below), whose sum is σ = 995952384. Its totient is φ = 94852224.

The previous prime is 331983427. The next prime is 331983493. The reversal of 331983456 is 654389133.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×331983456² = 220426030115407872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246340 + ... + 247683.

It is an arithmetic number, because the mean of its divisors is an integer number (20749008).

Almost surely, 2^331983456 is an apocalyptic number.

It is an amenable number.

331983456 is an abundant number, since it is smaller than the sum of its proper divisors (663968928).

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

331983456 is a wasteful number, since it uses less digits than its factorization.

331983456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494043 (or 494035 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 331983456 is about 18220.4131676535. The cubic root of 331983456 is about 692.4240554111.

The spelling of 331983456 in words is "three hundred thirty-one million, nine hundred eighty-three thousand, four hundred fifty-six".