3936493730 has 16 divisors (see below), whose sum is σ = 7630741944. Its totient is φ = 1453474560.

The previous prime is 3936493721. The next prime is 3936493787. The reversal of 3936493730 is 373946393.

It can be written as a sum of positive squares in 4 ways, for example, as 1942781929 + 1993711801 = 44077^2 + 44651^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15140231 + ... + 15140490.

Almost surely, 2^3936493730 is an apocalyptic number.

3936493730 is a deficient number, since it is larger than the sum of its proper divisors (3694248214).

3936493730 is a wasteful number, since it uses less digits than its factorization.

3936493730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30280741.

The product of its (nonzero) digits is 1102248, while the sum is 47.

The square root of 3936493730 is about 62741.4833264245. The cubic root of 3936493730 is about 1578.9553702142.

The spelling of 3936493730 in words is "three billion, nine hundred thirty-six million, four hundred ninety-three thousand, seven hundred thirty".