3949297536 has 32 divisors (see below), whose sum is σ = 10490322600. Its totient is φ = 1316432384.

The previous prime is 3949297519. The next prime is 3949297543. The reversal of 3949297536 is 6357929493.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 5141931 + ... + 5142698.

Almost surely, 2^3949297536 is an apocalyptic number.

It is an amenable number.

3949297536 is an abundant number, since it is smaller than the sum of its proper divisors (6541025064).

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

3949297536 is a wasteful number, since it uses less digits than its factorization.

3949297536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284646 (or 10284634 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 57.

The square root of 3949297536 is about 62843.4366978764. The cubic root of 3949297536 is about 1580.6654164574.

The spelling of 3949297536 in words is "three billion, nine hundred forty-nine million, two hundred ninety-seven thousand, five hundred thirty-six".