3992975 has 12 divisors (see below), whose sum is σ = 5658864. Its totient is φ = 2737920.

The previous prime is 3992959. The next prime is 3992987. The reversal of 3992975 is 5792993.

It is not a de Polignac number, because 3992975 - 2⁴ = 3992959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11234 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (471572).

Almost surely, 2^3992975 is an apocalyptic number.

3992975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3992975 is a deficient number, since it is larger than the sum of its proper divisors (1665889).

3992975 is a wasteful number, since it uses less digits than its factorization.

3992975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22834 (or 22829 counting only the distinct ones).

The product of its digits is 153090, while the sum is 44.

The square root of 3992975 is about 1998.2429782186. The cubic root of 3992975 is about 158.6471216382.

It can be divided in two parts, 39929 and 75, that added together give a palindrome (40004).

The spelling of 3992975 in words is "three million, nine hundred ninety-two thousand, nine hundred seventy-five".