2872263 has 8 divisors (see below), whose sum is σ = 3996288. Its totient is φ = 1831544.

The previous prime is 2872237. The next prime is 2872277. The reversal of 2872263 is 3622782.

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 2872263 - 2⁸ = 2872007 is a prime.

2872263 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2872263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872283) 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, 20745 + ... + 20882.

It is an arithmetic number, because the mean of its divisors is an integer number (499536).

2^2872263 is an apocalyptic number.

2872263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2872263 is a deficient number, since it is larger than the sum of its proper divisors (1124025).

2872263 is a wasteful number, since it uses less digits than its factorization.

2872263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41653.

The product of its digits is 8064, while the sum is 30.

The square root of 2872263 is about 1694.7752063327. The cubic root of 2872263 is about 142.1482119767.

The spelling of 2872263 in words is "two million, eight hundred seventy-two thousand, two hundred sixty-three".