2972239 has 8 divisors (see below), whose sum is σ = 3105360. Its totient is φ = 2841216.

The previous prime is 2972219. The next prime is 2972251. The reversal of 2972239 is 9322792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2972239 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 (2972219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2824 + ... + 3730.

It is an arithmetic number, because the mean of its divisors is an integer number (388170).

2^2972239 is an apocalyptic number.

2972239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2972239 is a deficient number, since it is larger than the sum of its proper divisors (133121).

2972239 is a wasteful number, since it uses less digits than its factorization.

2972239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its digits is 13608, while the sum is 34.

The square root of 2972239 is about 1724.0182713649. The cubic root of 2972239 is about 143.7787078141.

The spelling of 2972239 in words is "two million, nine hundred seventy-two thousand, two hundred thirty-nine".