2858345 has 8 divisors (see below), whose sum is σ = 3920064. Its totient is φ = 1959984.

The previous prime is 2858333. The next prime is 2858347. The reversal of 2858345 is 5438582.

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 2858345 - 2¹⁰ = 2857321 is a prime.

It is a super-2 number, since 2×2858345² = 16340272278050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 81667 = 2858345 / (2 + 8 + 5 + 8 + 3 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2858347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40799 + ... + 40868.

It is an arithmetic number, because the mean of its divisors is an integer number (490008).

2^2858345 is an apocalyptic number.

It is an amenable number.

2858345 is a deficient number, since it is larger than the sum of its proper divisors (1061719).

2858345 is an equidigital number, since it uses as much as digits as its factorization.

2858345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81679.

The product of its digits is 38400, while the sum is 35.

The square root of 2858345 is about 1690.6640707130. The cubic root of 2858345 is about 141.9182396489.

The spelling of 2858345 in words is "two million, eight hundred fifty-eight thousand, three hundred forty-five".