2972091 has 8 divisors (see below), whose sum is σ = 3979584. Its totient is φ = 1973000.

The previous prime is 2972071. The next prime is 2972107. The reversal of 2972091 is 1902792.

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

It is a cyclic number.

It is not a de Polignac number, because 2972091 - 2⁶ = 2972027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2972041) 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, 1221 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (497448).

2^2972091 is an apocalyptic number.

2972091 is a deficient number, since it is larger than the sum of its proper divisors (1007493).

2972091 is a wasteful number, since it uses less digits than its factorization.

2972091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 2972091 is about 1723.9753478516. The cubic root of 2972091 is about 143.7763213301.

The spelling of 2972091 in words is "two million, nine hundred seventy-two thousand, ninety-one".