3015240 has 32 divisors (see below), whose sum is σ = 9046080. Its totient is φ = 804032.

The previous prime is 3015211. The next prime is 3015247. The reversal of 3015240 is 425103.

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

It is not an unprimeable number, because it can be changed into a prime (3015247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12444 + ... + 12683.

It is an arithmetic number, because the mean of its divisors is an integer number (282690).

Almost surely, 2^3015240 is an apocalyptic number.

3015240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3015240 is an abundant number, since it is smaller than the sum of its proper divisors (6030840).

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

3015240 is a wasteful number, since it uses less digits than its factorization.

3015240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25141 (or 25137 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3015240 is about 1736.4446435173. Note that the first 3 decimals coincide. The cubic root of 3015240 is about 144.4687655737.

The spelling of 3015240 in words is "three million, fifteen thousand, two hundred forty".