3125916 has 36 divisors (see below), whose sum is σ = 8159424. Its totient is φ = 1008000.

The previous prime is 3125893. The next prime is 3125921. The reversal of 3125916 is 6195213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3125916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285 + ... + 2516.

Almost surely, 2^3125916 is an apocalyptic number.

3125916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4079712).

3125916 is an abundant number, since it is smaller than the sum of its proper divisors (5033508).

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

3125916 is a wasteful number, since it uses less digits than its factorization.

3125916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842 (or 2837 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 3125916 is about 1768.0260179081. The cubic root of 3125916 is about 146.2151703165.

The spelling of 3125916 in words is "three million, one hundred twenty-five thousand, nine hundred sixteen".