3985198692 has 24 divisors (see below), whose sum is σ = 9305436000. Its totient is φ = 1327451136.

The previous prime is 3985198673. The next prime is 3985198709. The reversal of 3985198692 is 2968915893.

It is a happy number.

3985198692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3985198692² = 31763617229437021728, which contains 22 as substring.

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, 100942 + ... + 134757.

It is an arithmetic number, because the mean of its divisors is an integer number (387726500).

Almost surely, 2^3985198692 is an apocalyptic number.

It is an amenable number.

3985198692 is an abundant number, since it is smaller than the sum of its proper divisors (5320237308).

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

3985198692 is a wasteful number, since it uses less digits than its factorization.

3985198692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237115 (or 237113 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 60.

The square root of 3985198692 is about 63128.4301404684. The cubic root of 3985198692 is about 1585.4406642936.

The spelling of 3985198692 in words is "three billion, nine hundred eighty-five million, one hundred ninety-eight thousand, six hundred ninety-two".