2015456 has 12 divisors (see below), whose sum is σ = 3967992. Its totient is φ = 1007712.

The previous prime is 2015443. The next prime is 2015473. The reversal of 2015456 is 6545102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31460 + ... + 31523.

It is an arithmetic number, because the mean of its divisors is an integer number (330666).

2^2015456 is an apocalyptic number.

It is an amenable number.

2015456 is a deficient number, since it is larger than the sum of its proper divisors (1952536).

2015456 is an equidigital number, since it uses as much as digits as its factorization.

2015456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62993 (or 62985 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2015456 is about 1419.6675667212. The cubic root of 2015456 is about 126.3158281676.

The spelling of 2015456 in words is "two million, fifteen thousand, four hundred fifty-six".