2858023 has 24 divisors (see below), whose sum is σ = 3644352. Its totient is φ = 2225664.

The previous prime is 2857993. The next prime is 2858029. The reversal of 2858023 is 3208582.

It is not a de Polignac number, because 2858023 - 2⁹ = 2857511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2857982 and 2858000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39115 + ... + 39187.

It is an arithmetic number, because the mean of its divisors is an integer number (151848).

2^2858023 is an apocalyptic number.

2858023 is a deficient number, since it is larger than the sum of its proper divisors (786329).

2858023 is a wasteful number, since it uses less digits than its factorization.

2858023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2858023 is about 1690.5688391781. The cubic root of 2858023 is about 141.9129102958.

The spelling of 2858023 in words is "two million, eight hundred fifty-eight thousand, twenty-three".