3898931566 has 8 divisors (see below), whose sum is σ = 6037055424. Its totient is φ = 1886579760.

The previous prime is 3898931551. The next prime is 3898931581. The reversal of 3898931566 is 6651398983.

It is an interprime number because it is at equal distance from previous prime (3898931551) and next prime (3898931581).

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

It is a self number, because there is not a number n which added to its sum of digits gives 3898931566.

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, 31442935 + ... + 31443058.

It is an arithmetic number, because the mean of its divisors is an integer number (754631928).

Almost surely, 2^3898931566 is an apocalyptic number.

3898931566 is a deficient number, since it is larger than the sum of its proper divisors (2138123858).

3898931566 is a wasteful number, since it uses less digits than its factorization.

3898931566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62886026.

The product of its digits is 8398080, while the sum is 58.

The square root of 3898931566 is about 62441.4250798298. The cubic root of 3898931566 is about 1573.9171616055.

The spelling of 3898931566 in words is "three billion, eight hundred ninety-eight million, nine hundred thirty-one thousand, five hundred sixty-six".