3988792 has 8 divisors (see below), whose sum is σ = 7479000. Its totient is φ = 1994392.

The previous prime is 3988783. The next prime is 3988823. The reversal of 3988792 is 2978893.

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

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249292 + ... + 249307.

It is an arithmetic number, because the mean of its divisors is an integer number (934875).

Almost surely, 2^3988792 is an apocalyptic number.

It is an amenable number.

3988792 is a deficient number, since it is larger than the sum of its proper divisors (3490208).

3988792 is a wasteful number, since it uses less digits than its factorization.

3988792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498605 (or 498601 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 3988792 is about 1997.1960344443. The cubic root of 3988792 is about 158.5917032447.

It can be divided in two parts, 39 and 88792, that added together give a triangular number (88831 = T₄₂₁).

The spelling of 3988792 in words is "three million, nine hundred eighty-eight thousand, seven hundred ninety-two".