3997464724 has 24 divisors (see below), whose sum is σ = 7633660608. Its totient is φ = 1816520640.

The previous prime is 3997464707. The next prime is 3997464811. The reversal of 3997464724 is 4274647993.

It is a congruent number.

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, 178497 + ... + 199639.

It is an arithmetic number, because the mean of its divisors is an integer number (318069192).

Almost surely, 2^3997464724 is an apocalyptic number.

It is an amenable number.

3997464724 is a deficient number, since it is larger than the sum of its proper divisors (3636195884).

3997464724 is a wasteful number, since it uses less digits than its factorization.

3997464724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25455 (or 25453 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 55.

The square root of 3997464724 is about 63225.5069097908. The cubic root of 3997464724 is about 1587.0656061051.

The spelling of 3997464724 in words is "three billion, nine hundred ninety-seven million, four hundred sixty-four thousand, seven hundred twenty-four".