332421399 has 24 divisors (see below), whose sum is σ = 500245200. Its totient is φ = 212530560.

The previous prime is 332421389. The next prime is 332421409. The reversal of 332421399 is 993124233.

It is an interprime number because it is at equal distance from previous prime (332421389) and next prime (332421409).

It is not a de Polignac number, because 332421399 - 2²⁴ = 315644183 is a prime.

It is a super-2 number, since 2×332421399² = 221007973026234402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332421379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14137 + ... + 29405.

It is an arithmetic number, because the mean of its divisors is an integer number (20843550).

Almost surely, 2^332421399 is an apocalyptic number.

332421399 is a deficient number, since it is larger than the sum of its proper divisors (167823801).

332421399 is a wasteful number, since it uses less digits than its factorization.

332421399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15375 (or 15372 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 332421399 is about 18232.4271286080. The cubic root of 332421399 is about 692.7283969051.

The spelling of 332421399 in words is "three hundred thirty-two million, four hundred twenty-one thousand, three hundred ninety-nine".