3997658474 has 8 divisors (see below), whose sum is σ = 6257204640. Its totient is φ = 1911923596.

The previous prime is 3997658471. The next prime is 3997658521. The reversal of 3997658474 is 4748567993.

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

It is not an unprimeable number, because it can be changed into a prime (3997658471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43452764 + ... + 43452855.

It is an arithmetic number, because the mean of its divisors is an integer number (782150580).

Almost surely, 2^3997658474 is an apocalyptic number.

3997658474 is a deficient number, since it is larger than the sum of its proper divisors (2259546166).

3997658474 is a wasteful number, since it uses less digits than its factorization.

3997658474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86905644.

The product of its digits is 45722880, while the sum is 62.

The square root of 3997658474 is about 63227.0391051170. The cubic root of 3997658474 is about 1587.0912464392.

The spelling of 3997658474 in words is "three billion, nine hundred ninety-seven million, six hundred fifty-eight thousand, four hundred seventy-four".