3115500 has 96 divisors (see below), whose sum is σ = 9504768. Its totient is φ = 792000.

The previous prime is 3115493. The next prime is 3115529. The reversal of 3115500 is 55113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3115500.

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 31 ways as a sum of consecutive naturals, for example, 46467 + ... + 46533.

It is an arithmetic number, because the mean of its divisors is an integer number (99008).

Almost surely, 2^3115500 is an apocalyptic number.

3115500 is a gapful number since it is divisible by the number (30) 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 3115500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4752384).

3115500 is an abundant number, since it is smaller than the sum of its proper divisors (6389268).

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

3115500 is a wasteful number, since it uses less digits than its factorization.

3115500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 3115500 is about 1765.0779019635. The cubic root of 3115500 is about 146.0525862989.

The spelling of 3115500 in words is "three million, one hundred fifteen thousand, five hundred".