2990871 has 16 divisors (see below), whose sum is σ = 4772320. Its totient is φ = 1840320.

The previous prime is 2990839. The next prime is 2990879. The reversal of 2990871 is 1780992.

It is a happy number.

It is not a de Polignac number, because 2990871 - 2⁵ = 2990839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3910 + ... + 4611.

It is an arithmetic number, because the mean of its divisors is an integer number (298270).

2^2990871 is an apocalyptic number.

2990871 is a deficient number, since it is larger than the sum of its proper divisors (1781449).

2990871 is a wasteful number, since it uses less digits than its factorization.

2990871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543 (or 8537 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2990871 is about 1729.4134843929. The cubic root of 2990871 is about 144.0785162089.

The spelling of 2990871 in words is "two million, nine hundred ninety thousand, eight hundred seventy-one".