3135872 has 16 divisors (see below), whose sum is σ = 6247500. Its totient is φ = 1567872.

The previous prime is 3135859. The next prime is 3135877. The reversal of 3135872 is 2785313.

3135872 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135877) 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 as a sum of consecutive naturals, namely, 12122 + ... + 12377.

Almost surely, 2^3135872 is an apocalyptic number.

3135872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3135872 is a deficient number, since it is larger than the sum of its proper divisors (3111628).

3135872 is an equidigital number, since it uses as much as digits as its factorization.

3135872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24513 (or 24501 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 3135872 is about 1770.8393490094. The cubic root of 3135872 is about 146.3702369149.

The spelling of 3135872 in words is "three million, one hundred thirty-five thousand, eight hundred seventy-two".