2858234 has 4 divisors (see below), whose sum is σ = 4287354. Its totient is φ = 1429116.

The previous prime is 2858221. The next prime is 2858243. The reversal of 2858234 is 4328582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4328582 = 2 ⋅2164291.

It can be written as a sum of positive squares in only one way, i.e., 1570009 + 1288225 = 1253^2 + 1135^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2858234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714557 + ... + 714560.

2^2858234 is an apocalyptic number.

2858234 is a deficient number, since it is larger than the sum of its proper divisors (1429120).

2858234 is a wasteful number, since it uses less digits than its factorization.

2858234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429119.

The product of its digits is 15360, while the sum is 32.

The square root of 2858234 is about 1690.6312430569. The cubic root of 2858234 is about 141.9164025569.

The spelling of 2858234 in words is "two million, eight hundred fifty-eight thousand, two hundred thirty-four".