2972919 has 4 divisors (see below), whose sum is σ = 3963896. Its totient is φ = 1981944.

The previous prime is 2972903. The next prime is 2972939. The reversal of 2972919 is 9192792.

It is a happy number.

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

It is not a de Polignac number, because 2972919 - 2⁴ = 2972903 is a prime.

It is a super-2 number, since 2×2972919² = 17676494761122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972939) 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, 495484 + ... + 495489.

It is an arithmetic number, because the mean of its divisors is an integer number (990974).

2^2972919 is an apocalyptic number.

2972919 is a deficient number, since it is larger than the sum of its proper divisors (990977).

2972919 is an equidigital number, since it uses as much as digits as its factorization.

2972919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990976.

The product of its digits is 20412, while the sum is 39.

The square root of 2972919 is about 1724.2154737735. The cubic root of 2972919 is about 143.7896717222.

The spelling of 2972919 in words is "two million, nine hundred seventy-two thousand, nine hundred nineteen".