3997418493 has 24 divisors (see below), whose sum is σ = 5810615200. Its totient is φ = 2437598016.

The previous prime is 3997418459. The next prime is 3997418497. The reversal of 3997418493 is 3948147993.

It is not a de Polignac number, because 3997418493 - 2⁹ = 3997417981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997418497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6243 + ... + 89631.

Almost surely, 2^3997418493 is an apocalyptic number.

It is an amenable number.

3997418493 is a deficient number, since it is larger than the sum of its proper divisors (1813196707).

3997418493 is a wasteful number, since it uses less digits than its factorization.

3997418493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83469 (or 83440 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The square root of 3997418493 is about 63225.1413047057. The cubic root of 3997418493 is about 1587.0594879012.

The spelling of 3997418493 in words is "three billion, nine hundred ninety-seven million, four hundred eighteen thousand, four hundred ninety-three".