3144872 has 8 divisors (see below), whose sum is σ = 5896650. Its totient is φ = 1572432.

The previous prime is 3144871. The next prime is 3144887. The reversal of 3144872 is 2784413.

It can be written as a sum of positive squares in only one way, i.e., 2172676 + 972196 = 1474^2 + 986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3144871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196547 + ... + 196562.

Almost surely, 2^3144872 is an apocalyptic number.

It is an amenable number.

3144872 is a deficient number, since it is larger than the sum of its proper divisors (2751778).

3144872 is a wasteful number, since it uses less digits than its factorization.

3144872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393115 (or 393111 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 3144872 is about 1773.3786961617. The cubic root of 3144872 is about 146.5101314306.

The spelling of 3144872 in words is "three million, one hundred forty-four thousand, eight hundred seventy-two".