2970991 has 2 divisors, whose sum is σ = 2970992. Its totient is φ = 2970990.

The previous prime is 2970977. The next prime is 2971019. The reversal of 2970991 is 1990792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2970991 - 2⁵ = 2970959 is a prime.

It is a Chen prime.

2970991 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2970991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2970941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1485495 + 1485496.

It is an arithmetic number, because the mean of its divisors is an integer number (1485496).

2^2970991 is an apocalyptic number.

2970991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2970991 is an equidigital number, since it uses as much as digits as its factorization.

2970991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 2970991 is about 1723.6562882431. The cubic root of 2970991 is about 143.7585814663.

The spelling of 2970991 in words is "two million, nine hundred seventy thousand, nine hundred ninety-one".