2890815 has 12 divisors (see below), whose sum is σ = 4635864. Its totient is φ = 1538256.

The previous prime is 2890813. The next prime is 2890861. The reversal of 2890815 is 5180982.

It is a happy number.

It is not a de Polignac number, because 2890815 - 2¹ = 2890813 is a prime.

It is a super-2 number, since 2×2890815² = 16713622728450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6366 + ... + 6804.

It is an arithmetic number, because the mean of its divisors is an integer number (386322).

2^2890815 is an apocalyptic number.

2890815 is a deficient number, since it is larger than the sum of its proper divisors (1745049).

2890815 is an frugal number, since it uses more digits than its factorization.

2890815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2890815 is about 1700.2396889851. The cubic root of 2890815 is about 142.4536013914.

The spelling of 2890815 in words is "two million, eight hundred ninety thousand, eight hundred fifteen".