42932399 has 2 divisors, whose sum is σ = 42932400. Its totient is φ = 42932398.

The previous prime is 42932387. The next prime is 42932401. The reversal of 42932399 is 99323924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42932399 - 2²⁴ = 26155183 is a prime.

Together with 42932401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42932339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21466199 + 21466200.

It is an arithmetic number, because the mean of its divisors is an integer number (21466200).

Almost surely, 2^42932399 is an apocalyptic number.

42932399 is a deficient number, since it is larger than the sum of its proper divisors (1).

42932399 is an equidigital number, since it uses as much as digits as its factorization.

42932399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 42932399 is about 6552.2819689021. The cubic root of 42932399 is about 350.1561181080.

The spelling of 42932399 in words is "forty-two million, nine hundred thirty-two thousand, three hundred ninety-nine".