3139977 has 4 divisors (see below), whose sum is σ = 4186640. Its totient is φ = 2093316.

The previous prime is 3139967. The next prime is 3139979. The reversal of 3139977 is 7799313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3139977 - 2¹⁰ = 3138953 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3139979) 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 3 ways as a sum of consecutive naturals, for example, 523327 + ... + 523332.

It is an arithmetic number, because the mean of its divisors is an integer number (1046660).

Almost surely, 2^3139977 is an apocalyptic number.

It is an amenable number.

3139977 is a deficient number, since it is larger than the sum of its proper divisors (1046663).

3139977 is a wasteful number, since it uses less digits than its factorization.

3139977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046662.

The product of its digits is 35721, while the sum is 39.

The square root of 3139977 is about 1771.9980248296. The cubic root of 3139977 is about 146.4340775131.

The spelling of 3139977 in words is "three million, one hundred thirty-nine thousand, nine hundred seventy-seven".