2881915 has 8 divisors (see below), whose sum is σ = 3570048. Its totient is φ = 2231040.

The previous prime is 2881897. The next prime is 2881937. The reversal of 2881915 is 5191882.

2881915 = T₂₀₁ + T₂₀₂ + ... + T₂₉₃.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2881915 - 2⁵ = 2881883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9142 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (446256).

2^2881915 is an apocalyptic number.

2881915 is a deficient number, since it is larger than the sum of its proper divisors (688133).

2881915 is a wasteful number, since it uses less digits than its factorization.

2881915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18629.

The product of its digits is 5760, while the sum is 34.

The square root of 2881915 is about 1697.6203933742. The cubic root of 2881915 is about 142.3072596866.

The spelling of 2881915 in words is "two million, eight hundred eighty-one thousand, nine hundred fifteen".