2799858 has 16 divisors (see below), whose sum is σ = 5780736. Its totient is φ = 903120.

The previous prime is 2799857. The next prime is 2799871. The reversal of 2799858 is 8589972.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2799857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7341 + ... + 7712.

It is an arithmetic number, because the mean of its divisors is an integer number (361296).

2^2799858 is an apocalyptic number.

2799858 is an abundant number, since it is smaller than the sum of its proper divisors (2980878).

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

2799858 is a wasteful number, since it uses less digits than its factorization.

2799858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15089.

The product of its digits is 362880, while the sum is 48.

The square root of 2799858 is about 1673.2776219145. The cubic root of 2799858 is about 140.9435919429.

The spelling of 2799858 in words is "two million, seven hundred ninety-nine thousand, eight hundred fifty-eight".