3137868 has 36 divisors (see below), whose sum is σ = 8019648. Its totient is φ = 1034400.

The previous prime is 3137863. The next prime is 3137879. The reversal of 3137868 is 8687313.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3137863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3205 + ... + 4067.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

Almost surely, 2^3137868 is an apocalyptic number.

It is an amenable number.

3137868 is an abundant number, since it is smaller than the sum of its proper divisors (4881780).

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

3137868 is a wasteful number, since it uses less digits than its factorization.

3137868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 969 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3137868 is about 1771.4028339144. The cubic root of 3137868 is about 146.4012854854.

It can be divided in two parts, 3137 and 868, that added together give a triangular number (4005 = T₈₉).

The spelling of 3137868 in words is "three million, one hundred thirty-seven thousand, eight hundred sixty-eight".