3172149 has 16 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 1990080.

The previous prime is 3172133. The next prime is 3172159. The reversal of 3172149 is 9412713.

3172149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3172149 - 2⁴ = 3172133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

Almost surely, 2^3172149 is an apocalyptic number.

It is an amenable number.

3172149 is a deficient number, since it is larger than the sum of its proper divisors (1804491).

3172149 is a wasteful number, since it uses less digits than its factorization.

3172149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937 (or 6931 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 3172149 is about 1781.0527785554. The cubic root of 3172149 is about 146.9324971205.

It can be divided in two parts, 3172 and 149, that added together give a triangular number (3321 = T₈₁).

The spelling of 3172149 in words is "three million, one hundred seventy-two thousand, one hundred forty-nine".