3139983 has 48 divisors (see below), whose sum is σ = 5930496. Its totient is φ = 1552320.

The previous prime is 3139979. The next prime is 3139991. The reversal of 3139983 is 3899313.

It is a Cunningham number, because it is equal to 1772²-1.

It is not a de Polignac number, because 3139983 - 2² = 3139979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15841 + ... + 16037.

It is an arithmetic number, because the mean of its divisors is an integer number (123552).

Almost surely, 2^3139983 is an apocalyptic number.

3139983 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3139983 is a deficient number, since it is larger than the sum of its proper divisors (2790513).

3139983 is a wasteful number, since it uses less digits than its factorization.

3139983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 241 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 3139983 is about 1771.9997178329. Note that the first 3 decimals coincide. The cubic root of 3139983 is about 146.4341707839.

It can be divided in two parts, 313 and 9983, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 3139983 in words is "three million, one hundred thirty-nine thousand, nine hundred eighty-three".