2939997 has 12 divisors (see below), whose sum is σ = 4165376. Its totient is φ = 1844160.

The previous prime is 2939977. The next prime is 2939999. The reversal of 2939997 is 7999392.

It is a happy number.

It is not a de Polignac number, because 2939997 - 2⁷ = 2939869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829 + ... + 2562.

2^2939997 is an apocalyptic number.

It is an amenable number.

2939997 is a deficient number, since it is larger than the sum of its proper divisors (1225379).

2939997 is a wasteful number, since it uses less digits than its factorization.

2939997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428 (or 3411 counting only the distinct ones).

The product of its digits is 275562, while the sum is 48.

The square root of 2939997 is about 1714.6419451302. The cubic root of 2939997 is about 143.2569264063.

The spelling of 2939997 in words is "two million, nine hundred thirty-nine thousand, nine hundred ninety-seven".