332021649 has 16 divisors (see below), whose sum is σ = 460272960. Its totient is φ = 212720640.

The previous prime is 332021639. The next prime is 332021653. The reversal of 332021649 is 946120233.

It is not a de Polignac number, because 332021649 - 2²⁰ = 330973073 is a prime.

It is a super-2 number, since 2×332021649² = 220476750809358402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (332021639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11904 + ... + 28385.

It is an arithmetic number, because the mean of its divisors is an integer number (28767060).

Almost surely, 2^332021649 is an apocalyptic number.

It is an amenable number.

332021649 is a deficient number, since it is larger than the sum of its proper divisors (128251311).

332021649 is a wasteful number, since it uses less digits than its factorization.

332021649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40400.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 332021649 is about 18221.4612202205. The cubic root of 332021649 is about 692.4506076759.

The spelling of 332021649 in words is "three hundred thirty-two million, twenty-one thousand, six hundred forty-nine".