42324399 has 12 divisors (see below), whose sum is σ = 65838136. Its totient is φ = 26045712.

The previous prime is 42324389. The next prime is 42324409. The reversal of 42324399 is 99342324.

It is an interprime number because it is at equal distance from previous prime (42324389) and next prime (42324409).

It is not a de Polignac number, because 42324399 - 2⁴ = 42324383 is a prime.

It is a super-2 number, since 2×42324399² = 3582709501422402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42324319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180757 + ... + 180990.

Almost surely, 2^42324399 is an apocalyptic number.

42324399 is a deficient number, since it is larger than the sum of its proper divisors (23513737).

42324399 is a wasteful number, since it uses less digits than its factorization.

42324399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361766 (or 361763 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 42324399 is about 6505.7204827751. The cubic root of 42324399 is about 348.4953063912.

The spelling of 42324399 in words is "forty-two million, three hundred twenty-four thousand, three hundred ninety-nine".