3949479744 has 56 divisors (see below), whose sum is σ = 11942478528. Its totient is φ = 1128422400.

The previous prime is 3949479739. The next prime is 3949479749. The reversal of 3949479744 is 4479749493.

It is an interprime number because it is at equal distance from previous prime (3949479739) and next prime (3949479749).

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949479749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467957 + ... + 1470644.

Almost surely, 2^3949479744 is an apocalyptic number.

It is an amenable number.

3949479744 is an abundant number, since it is smaller than the sum of its proper divisors (7992998784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3949479744 is a wasteful number, since it uses less digits than its factorization.

3949479744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938623 (or 2938613 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 60.

The square root of 3949479744 is about 62844.8863790842. The cubic root of 3949479744 is about 1580.6897250382.

The spelling of 3949479744 in words is "three billion, nine hundred forty-nine million, four hundred seventy-nine thousand, seven hundred forty-four".