3139992 has 32 divisors (see below), whose sum is σ = 8722800. Its totient is φ = 1046592.

The previous prime is 3139991. The next prime is 3139993. The reversal of 3139992 is 2999313.

It is an interprime number because it is at equal distance from previous prime (3139991) and next prime (3139993).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139991) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 7053 + ... + 7484.

Almost surely, 2^3139992 is an apocalyptic number.

It is an amenable number.

3139992 is an abundant number, since it is smaller than the sum of its proper divisors (5582808).

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

3139992 is a wasteful number, since it uses less digits than its factorization.

3139992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14552 (or 14542 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 3139992 is about 1772.0022573349. The cubic root of 3139992 is about 146.4343106898.

The spelling of 3139992 in words is "three million, one hundred thirty-nine thousand, nine hundred ninety-two".