2864992 has 48 divisors (see below), whose sum is σ = 6223392. Its totient is φ = 1290240.

The previous prime is 2864977. The next prime is 2865001. The reversal of 2864992 is 2994682.

It is a congruent 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, 29488 + ... + 29584.

It is an arithmetic number, because the mean of its divisors is an integer number (129654).

2^2864992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2864992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3111696).

2864992 is an abundant number, since it is smaller than the sum of its proper divisors (3358400).

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

2864992 is a wasteful number, since it uses less digits than its factorization.

2864992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 183 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 2864992 is about 1692.6287247947. The cubic root of 2864992 is about 142.0281634279.

The spelling of 2864992 in words is "two million, eight hundred sixty-four thousand, nine hundred ninety-two".