2947259 has 4 divisors (see below), whose sum is σ = 3368304. Its totient is φ = 2526216.

The previous prime is 2947249. The next prime is 2947271. The reversal of 2947259 is 9527492.

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

It is a de Polignac number, because none of the positive numbers 2^k-2947259 is a prime.

It is a super-2 number, since 2×2947259² = 17372671226162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2947249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210512 + ... + 210525.

It is an arithmetic number, because the mean of its divisors is an integer number (842076).

2^2947259 is an apocalyptic number.

2947259 is a deficient number, since it is larger than the sum of its proper divisors (421045).

2947259 is an equidigital number, since it uses as much as digits as its factorization.

2947259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421044.

The product of its digits is 45360, while the sum is 38.

The square root of 2947259 is about 1716.7582823450. The cubic root of 2947259 is about 143.3747809946.

The spelling of 2947259 in words is "two million, nine hundred forty-seven thousand, two hundred fifty-nine".