59440399 has 2 divisors, whose sum is σ = 59440400. Its totient is φ = 59440398.

The previous prime is 59440393. The next prime is 59440439. The reversal of 59440399 is 99304495.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 59440399 - 2²⁵ = 25885967 is a prime.

It is a super-2 number, since 2×59440399² = 7066322066558402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59440393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29720199 + 29720200.

It is an arithmetic number, because the mean of its divisors is an integer number (29720200).

Almost surely, 2^59440399 is an apocalyptic number.

59440399 is a deficient number, since it is larger than the sum of its proper divisors (1).

59440399 is an equidigital number, since it uses as much as digits as its factorization.

59440399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 59440399 is about 7709.7599832939. The cubic root of 59440399 is about 390.2658695548.

The spelling of 59440399 in words is "fifty-nine million, four hundred forty thousand, three hundred ninety-nine".