374336639 has 2 divisors, whose sum is σ = 374336640. Its totient is φ = 374336638.

The previous prime is 374336621. The next prime is 374336657. The reversal of 374336639 is 936633473.

It is a balanced prime because it is at equal distance from previous prime (374336621) and next prime (374336657).

It is a cyclic number.

It is not a de Polignac number, because 374336639 - 2¹⁶ = 374271103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 374336639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374336609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187168319 + 187168320.

It is an arithmetic number, because the mean of its divisors is an integer number (187168320).

Almost surely, 2^374336639 is an apocalyptic number.

374336639 is a deficient number, since it is larger than the sum of its proper divisors (1).

374336639 is an equidigital number, since it uses as much as digits as its factorization.

374336639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 44.

The square root of 374336639 is about 19347.7812423027. The cubic root of 374336639 is about 720.6993199033.

The spelling of 374336639 in words is "three hundred seventy-four million, three hundred thirty-six thousand, six hundred thirty-nine".