2870258 has 4 divisors (see below), whose sum is σ = 4305390. Its totient is φ = 1435128.

The previous prime is 2870249. The next prime is 2870269. The reversal of 2870258 is 8520782.

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., 2745649 + 124609 = 1657^2 + 353^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717563 + ... + 717566.

2^2870258 is an apocalyptic number.

2870258 is a deficient number, since it is larger than the sum of its proper divisors (1435132).

2870258 is a wasteful number, since it uses less digits than its factorization.

2870258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435131.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2870258 is about 1694.1835791909. The cubic root of 2870258 is about 142.1151284803.

The spelling of 2870258 in words is "two million, eight hundred seventy thousand, two hundred fifty-eight".