2915520 has 56 divisors (see below), whose sum is σ = 9259824. Its totient is φ = 777216.

The previous prime is 2915509. The next prime is 2915527. The reversal of 2915520 is 255192.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2915527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (165354).

2^2915520 is an apocalyptic number.

2915520 is a gapful number since it is divisible by the number (20) 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 2915520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4629912).

2915520 is an abundant number, since it is smaller than the sum of its proper divisors (6344304).

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

2915520 is a wasteful number, since it uses less digits than its factorization.

2915520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2915520 is about 1707.4893850329. The cubic root of 2915520 is about 142.8582552294.

The spelling of 2915520 in words is "two million, nine hundred fifteen thousand, five hundred twenty".