3998692 has 12 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 1994216.

The previous prime is 3998677. The next prime is 3998693. The reversal of 3998692 is 2968993.

It is a happy number.

3998692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3998693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (584640).

Almost surely, 2^3998692 is an apocalyptic number.

It is an amenable number.

3998692 is a deficient number, since it is larger than the sum of its proper divisors (3016988).

3998692 is a wasteful number, since it uses less digits than its factorization.

3998692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570 (or 2568 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 3998692 is about 1999.6729732634. The cubic root of 3998692 is about 158.7228006390.

The spelling of 3998692 in words is "three million, nine hundred ninety-eight thousand, six hundred ninety-two".