2997971 has 8 divisors (see below), whose sum is σ = 3069120. Its totient is φ = 2927808.

The previous prime is 2997959. The next prime is 2997977. The reversal of 2997971 is 1797992.

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-2997971 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2997977) 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, 10685 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (383640).

2^2997971 is an apocalyptic number.

2997971 is a deficient number, since it is larger than the sum of its proper divisors (71149).

2997971 is a wasteful number, since it uses less digits than its factorization.

2997971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its digits is 71442, while the sum is 44.

The square root of 2997971 is about 1731.4649866515. The cubic root of 2997971 is about 144.1924349824.

The spelling of 2997971 in words is "two million, nine hundred ninety-seven thousand, nine hundred seventy-one".