3959407418 has 4 divisors (see below), whose sum is σ = 5939111130. Its totient is φ = 1979703708.

The previous prime is 3959407379. The next prime is 3959407421. The reversal of 3959407418 is 8147049593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2969487049 + 989920369 = 54493^2 + 31463^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989851853 + ... + 989851856.

Almost surely, 2^3959407418 is an apocalyptic number.

3959407418 is a deficient number, since it is larger than the sum of its proper divisors (1979703712).

3959407418 is a wasteful number, since it uses less digits than its factorization.

3959407418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979703711.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 3959407418 is about 62923.8223409862. The cubic root of 3959407418 is about 1582.0130589963.

The spelling of 3959407418 in words is "three billion, nine hundred fifty-nine million, four hundred seven thousand, four hundred eighteen".