2972289 has 8 divisors (see below), whose sum is σ = 4055392. Its totient is φ = 1935360.

The previous prime is 2972287. The next prime is 2972309. The reversal of 2972289 is 9822792.

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

It is not a de Polignac number, because 2972289 - 2¹ = 2972287 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2972287) 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, 11392 + ... + 11649.

It is an arithmetic number, because the mean of its divisors is an integer number (506924).

2^2972289 is an apocalyptic number.

It is an amenable number.

2972289 is a deficient number, since it is larger than the sum of its proper divisors (1083103).

2972289 is a wasteful number, since it uses less digits than its factorization.

2972289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23087.

The product of its digits is 36288, while the sum is 39.

The square root of 2972289 is about 1724.0327723103. The cubic root of 2972289 is about 143.7795140407.

The spelling of 2972289 in words is "two million, nine hundred seventy-two thousand, two hundred eighty-nine".