2879892 has 18 divisors (see below), whose sum is σ = 7279818. Its totient is φ = 959952.

The previous prime is 2879879. The next prime is 2879893. The reversal of 2879892 is 2989782.

It can be written as a sum of positive squares in only one way, i.e., 1887876 + 992016 = 1374^2 + 996^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2879893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39963 + ... + 40034.

2^2879892 is an apocalyptic number.

It is an amenable number.

2879892 is an abundant number, since it is smaller than the sum of its proper divisors (4399926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2879892 is a wasteful number, since it uses less digits than its factorization.

2879892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80007 (or 80002 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2879892 is about 1697.0244547442. The cubic root of 2879892 is about 142.2739537107.

The spelling of 2879892 in words is "two million, eight hundred seventy-nine thousand, eight hundred ninety-two".