2023858 has 16 divisors (see below), whose sum is σ = 3153816. Its totient is φ = 973440.

The previous prime is 2023849. The next prime is 2023859. The reversal of 2023858 is 8583202.

2023858 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 717409 + 1306449 = 847^2 + 1143^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023859) 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, 6310 + ... + 6622.

2^2023858 is an apocalyptic number.

2023858 is a deficient number, since it is larger than the sum of its proper divisors (1129958).

2023858 is a wasteful number, since it uses less digits than its factorization.

2023858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429.

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

The square root of 2023858 is about 1422.6236325887. The cubic root of 2023858 is about 126.4911126045.

The spelling of 2023858 in words is "two million, twenty-three thousand, eight hundred fifty-eight".