332992421 has 4 divisors (see below), whose sum is σ = 343734144. Its totient is φ = 322250700.

The previous prime is 332992411. The next prime is 332992427. The reversal of 332992421 is 124299233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332992421 is a prime.

It is a super-2 number, since 2×332992421² = 221767904886882482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332992427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5370815 + ... + 5370876.

It is an arithmetic number, because the mean of its divisors is an integer number (85933536).

Almost surely, 2^332992421 is an apocalyptic number.

332992421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

332992421 is a deficient number, since it is larger than the sum of its proper divisors (10741723).

332992421 is a wasteful number, since it uses less digits than its factorization.

332992421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10741722.

The product of its digits is 23328, while the sum is 35.

The square root of 332992421 is about 18248.0799263923. The cubic root of 332992421 is about 693.1248183116.

The spelling of 332992421 in words is "three hundred thirty-two million, nine hundred ninety-two thousand, four hundred twenty-one".