331966485 has 16 divisors (see below), whose sum is σ = 590162880. Its totient is φ = 177048720.

The previous prime is 331966469. The next prime is 331966501. The reversal of 331966485 is 584669133.

It is an interprime number because it is at equal distance from previous prime (331966469) and next prime (331966501).

It is not a de Polignac number, because 331966485 - 2⁴ = 331966469 is a prime.

It is a super-2 number, since 2×331966485² = 220403494326510450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 331966485.

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 15 ways as a sum of consecutive naturals, for example, 1229371 + ... + 1229640.

It is an arithmetic number, because the mean of its divisors is an integer number (36885180).

Almost surely, 2^331966485 is an apocalyptic number.

It is an amenable number.

331966485 is a deficient number, since it is larger than the sum of its proper divisors (258196395).

331966485 is a wasteful number, since it uses less digits than its factorization.

331966485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459025 (or 2459019 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 331966485 is about 18219.9474477837. The cubic root of 331966485 is about 692.4122563002.

The spelling of 331966485 in words is "three hundred thirty-one million, nine hundred sixty-six thousand, four hundred eighty-five".