3163872 has 24 divisors (see below), whose sum is σ = 8305416. Its totient is φ = 1054592.

The previous prime is 3163841. The next prime is 3163879. The reversal of 3163872 is 2783613.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3163879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16383 + ... + 16574.

It is an arithmetic number, because the mean of its divisors is an integer number (346059).

Almost surely, 2^3163872 is an apocalyptic number.

3163872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3163872 is an abundant number, since it is smaller than the sum of its proper divisors (5141544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3163872 is a wasteful number, since it uses less digits than its factorization.

3163872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32970 (or 32962 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 3163872 is about 1778.7276351370. The cubic root of 3163872 is about 146.8045901843.

It can be divided in two parts, 31 and 63872, that added together give a triangular number (63903 = T₃₅₇).

The spelling of 3163872 in words is "three million, one hundred sixty-three thousand, eight hundred seventy-two".