2815995 has 32 divisors (see below), whose sum is σ = 5548032. Its totient is φ = 1187712.

The previous prime is 2815993. The next prime is 2815997. The reversal of 2815995 is 5995182.

It is an interprime number because it is at equal distance from previous prime (2815993) and next prime (2815997).

It is not a de Polignac number, because 2815995 - 2¹ = 2815993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

2815995 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2815993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334 + ... + 2396.

It is an arithmetic number, because the mean of its divisors is an integer number (173376).

2^2815995 is an apocalyptic number.

2815995 is a deficient number, since it is larger than the sum of its proper divisors (2732037).

2815995 is a wasteful number, since it uses less digits than its factorization.

2815995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its digits is 32400, while the sum is 39.

The square root of 2815995 is about 1678.0926672863. The cubic root of 2815995 is about 141.2138498347.

The spelling of 2815995 in words is "two million, eight hundred fifteen thousand, nine hundred ninety-five".