2942279 has 4 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 2938320.

The previous prime is 2942273. The next prime is 2942281. The reversal of 2942279 is 9722492.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2942279 - 2⁴ = 2942263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942273) 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, 494 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

2^2942279 is an apocalyptic number.

2942279 is a deficient number, since it is larger than the sum of its proper divisors (3961).

2942279 is an equidigital number, since it uses as much as digits as its factorization.

2942279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960.

The product of its digits is 18144, while the sum is 35.

The square root of 2942279 is about 1715.3072611051. The cubic root of 2942279 is about 143.2939817457.

The spelling of 2942279 in words is "two million, nine hundred forty-two thousand, two hundred seventy-nine".