3979530994 has 8 divisors (see below), whose sum is σ = 5973819228. Its totient is φ = 1988257920.

The previous prime is 3979530857. The next prime is 3979531079. The reversal of 3979530994 is 4990359793.

It can be written as a sum of positive squares in 2 ways, for example, as 3978455625 + 1075369 = 63075^2 + 1037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750487 + ... + 755770.

Almost surely, 2^3979530994 is an apocalyptic number.

3979530994 is a deficient number, since it is larger than the sum of its proper divisors (1994288234).

3979530994 is a wasteful number, since it uses less digits than its factorization.

3979530994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507580.

The product of its (nonzero) digits is 8266860, while the sum is 58.

The square root of 3979530994 is about 63083.5239503945. The cubic root of 3979530994 is about 1584.6887099767.

The spelling of 3979530994 in words is "three billion, nine hundred seventy-nine million, five hundred thirty thousand, nine hundred ninety-four".