2870243 has 8 divisors (see below), whose sum is σ = 2956608. Its totient is φ = 2785024.

The previous prime is 2870237. The next prime is 2870249. The reversal of 2870243 is 3420782.

It is an interprime number because it is at equal distance from previous prime (2870237) and next prime (2870249).

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 2870243 - 2⁴ = 2870227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2870249) 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, 7955 + ... + 8307.

It is an arithmetic number, because the mean of its divisors is an integer number (369576).

2^2870243 is an apocalyptic number.

2870243 is a deficient number, since it is larger than the sum of its proper divisors (86365).

2870243 is a wasteful number, since it uses less digits than its factorization.

2870243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2870243 is about 1694.1791522740. The cubic root of 2870243 is about 142.1148809148.

It can be divided in two parts, 2870 and 243, that added together give a palindrome (3113).

The spelling of 2870243 in words is "two million, eight hundred seventy thousand, two hundred forty-three".