2858399 has 8 divisors (see below), whose sum is σ = 2970048. Its totient is φ = 2748960.

The previous prime is 2858393. The next prime is 2858423. The reversal of 2858399 is 9938582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2858399 - 2¹² = 2854303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858393) 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, 2369 + ... + 3365.

It is an arithmetic number, because the mean of its divisors is an integer number (371256).

2^2858399 is an apocalyptic number.

2858399 is a deficient number, since it is larger than the sum of its proper divisors (111649).

2858399 is an equidigital number, since it uses as much as digits as its factorization.

2858399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its digits is 155520, while the sum is 44.

The square root of 2858399 is about 1690.6800406937. The cubic root of 2858399 is about 141.9191333521.

It can be divided in two parts, 28583 and 99, that added together give a palindrome (28682).

The spelling of 2858399 in words is "two million, eight hundred fifty-eight thousand, three hundred ninety-nine".