3143872 has 14 divisors (see below), whose sum is σ = 6238748. Its totient is φ = 1571904.

The previous prime is 3143863. The next prime is 3143897. The reversal of 3143872 is 2783413.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3143872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24498 + ... + 24625.

Almost surely, 2^3143872 is an apocalyptic number.

3143872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3143872 is a deficient number, since it is larger than the sum of its proper divisors (3094876).

3143872 is an equidigital number, since it uses as much as digits as its factorization.

3143872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49135 (or 49125 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 3143872 is about 1773.0967260700. The cubic root of 3143872 is about 146.4946007865.

It can be divided in two parts, 314 and 3872, that added together give a triangular number (4186 = T₉₁).

The spelling of 3143872 in words is "three million, one hundred forty-three thousand, eight hundred seventy-two".