331882649 has 16 divisors (see below), whose sum is σ = 384749568. Its totient is φ = 280407312.

The previous prime is 331882631. The next prime is 331882669. The reversal of 331882649 is 946288133.

It is a cyclic number.

It is not a de Polignac number, because 331882649 - 2²⁰ = 330834073 is a prime.

It is a super-2 number, since 2×331882649² = 220292185414514402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331882669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166034 + ... + 168020.

It is an arithmetic number, because the mean of its divisors is an integer number (24046848).

Almost surely, 2^331882649 is an apocalyptic number.

It is an amenable number.

331882649 is a deficient number, since it is larger than the sum of its proper divisors (52866919).

331882649 is a wasteful number, since it uses less digits than its factorization.

331882649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324.

The product of its digits is 248832, while the sum is 44.

The square root of 331882649 is about 18217.6466372581. The cubic root of 331882649 is about 692.3539633059.

The spelling of 331882649 in words is "three hundred thirty-one million, eight hundred eighty-two thousand, six hundred forty-nine".