3867992 has 8 divisors (see below), whose sum is σ = 7252500. Its totient is φ = 1933992.

The previous prime is 3867961. The next prime is 3868003. The reversal of 3867992 is 2997683.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3867992² = 29922724224128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241742 + ... + 241757.

Almost surely, 2^3867992 is an apocalyptic number.

It is an amenable number.

3867992 is a deficient number, since it is larger than the sum of its proper divisors (3384508).

3867992 is a wasteful number, since it uses less digits than its factorization.

3867992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483505 (or 483501 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 3867992 is about 1966.7211291894. The cubic root of 3867992 is about 156.9742881880.

The spelling of 3867992 in words is "three million, eight hundred sixty-seven thousand, nine hundred ninety-two".