332591401 has 8 divisors (see below), whose sum is σ = 344351880. Its totient is φ = 320850432.

The previous prime is 332591387. The next prime is 332591419. The reversal of 332591401 is 104195233.

It can be written as a sum of positive squares in 4 ways, for example, as 179426025 + 153165376 = 13395^2 + 12376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 332591401 - 2¹⁷ = 332460329 is a prime.

It is a super-2 number, since 2×332591401² = 221234080038285602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 332591401.

It is not an unprimeable number, because it can be changed into a prime (332591461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35641 + ... + 43993.

It is an arithmetic number, because the mean of its divisors is an integer number (43043985).

Almost surely, 2^332591401 is an apocalyptic number.

It is an amenable number.

332591401 is a deficient number, since it is larger than the sum of its proper divisors (11760479).

332591401 is a wasteful number, since it uses less digits than its factorization.

332591401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9755.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 332591401 is about 18237.0886108501. The cubic root of 332591401 is about 692.8464650597.

The spelling of 332591401 in words is "three hundred thirty-two million, five hundred ninety-one thousand, four hundred one".