2858266 has 4 divisors (see below), whose sum is σ = 4287402. Its totient is φ = 1429132.

The previous prime is 2858263. The next prime is 2858309. The reversal of 2858266 is 6628582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 1092025 = 1329^2 + 1045^2 .

It is not an unprimeable number, because it can be changed into a prime (2858263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714565 + ... + 714568.

2^2858266 is an apocalyptic number.

2858266 is a deficient number, since it is larger than the sum of its proper divisors (1429136).

2858266 is a wasteful number, since it uses less digits than its factorization.

2858266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429135.

The product of its digits is 46080, while the sum is 37.

The square root of 2858266 is about 1690.6407069511. The cubic root of 2858266 is about 141.9169321739.

The spelling of 2858266 in words is "two million, eight hundred fifty-eight thousand, two hundred sixty-six".