2858623 has 2 divisors, whose sum is σ = 2858624. Its totient is φ = 2858622.

The previous prime is 2858621. The next prime is 2858627. The reversal of 2858623 is 3268582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2858623 - 2¹ = 2858621 is a prime.

It is a super-2 number, since 2×2858623² = 16343450912258, which contains 22 as substring.

Together with 2858621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2858621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429311 + 1429312.

It is an arithmetic number, because the mean of its divisors is an integer number (1429312).

2^2858623 is an apocalyptic number.

2858623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2858623 is an equidigital number, since it uses as much as digits as its factorization.

2858623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 2858623 is about 1690.7462849286. The cubic root of 2858623 is about 141.9228404455.

It can be divided in two parts, 2858 and 623, that added together give a square (3481 = 59²).

The spelling of 2858623 in words is "two million, eight hundred fifty-eight thousand, six hundred twenty-three".