2015304 has 32 divisors (see below), whose sum is σ = 5084640. Its totient is φ = 665600.

The previous prime is 2015303. The next prime is 2015309. The reversal of 2015304 is 4035102.

It is a super-2 number, since 2×2015304² = 8122900424832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2015303) 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, 2824 + ... + 3464.

It is an arithmetic number, because the mean of its divisors is an integer number (158895).

2^2015304 is an apocalyptic number.

2015304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2015304 is an abundant number, since it is smaller than the sum of its proper divisors (3069336).

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

2015304 is a wasteful number, since it uses less digits than its factorization.

2015304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 777 counting only the distinct ones).

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

The square root of 2015304 is about 1419.6140320524. The cubic root of 2015304 is about 126.3126526268.

The spelling of 2015304 in words is "two million, fifteen thousand, three hundred four".