332646401 has 16 divisors (see below), whose sum is σ = 357433344. Its totient is φ = 308834064.

The previous prime is 332646397. The next prime is 332646403. The reversal of 332646401 is 104646233.

It is not a de Polignac number, because 332646401 - 2² = 332646397 is a prime.

It is a super-2 number, since 2×332646401² = 221307256196505602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332646403) 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, 136076 + ... + 138498.

It is an arithmetic number, because the mean of its divisors is an integer number (22339584).

Almost surely, 2^332646401 is an apocalyptic number.

It is an amenable number.

332646401 is a deficient number, since it is larger than the sum of its proper divisors (24786943).

332646401 is a wasteful number, since it uses less digits than its factorization.

332646401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 332646401 is about 18238.5964646406. The cubic root of 332646401 is about 692.8846545169.

The spelling of 332646401 in words is "three hundred thirty-two million, six hundred forty-six thousand, four hundred one".