3115320 has 64 divisors (see below), whose sum is σ = 10069920. Its totient is φ = 766464.

The previous prime is 3115319. The next prime is 3115361. The reversal of 3115320 is 235113.

It is a happy number.

3115320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3115320.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 562 + ... + 2558.

Almost surely, 2^3115320 is an apocalyptic number.

3115320 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 3115320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5034960).

3115320 is an abundant number, since it is smaller than the sum of its proper divisors (6954600).

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

3115320 is a wasteful number, since it uses less digits than its factorization.

3115320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3115320 is about 1765.0269119761. The cubic root of 3115320 is about 146.0497734843.

It can be divided in two parts, 31 and 15320, that added together give a palindrome (15351).

The spelling of 3115320 in words is "three million, one hundred fifteen thousand, three hundred twenty".