2986997 has 4 divisors (see below), whose sum is σ = 3216780. Its totient is φ = 2757216.

The previous prime is 2986979. The next prime is 2986999. The reversal of 2986997 is 7996892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 556516 + 2430481 = 746^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 2986997 - 2⁸ = 2986741 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 (2986999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114872 + ... + 114897.

It is an arithmetic number, because the mean of its divisors is an integer number (804195).

2^2986997 is an apocalyptic number.

It is an amenable number.

2986997 is a deficient number, since it is larger than the sum of its proper divisors (229783).

2986997 is a wasteful number, since it uses less digits than its factorization.

2986997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229782.

The product of its digits is 489888, while the sum is 50.

The square root of 2986997 is about 1728.2930885703. The cubic root of 2986997 is about 144.0162822381.

The spelling of 2986997 in words is "two million, nine hundred eighty-six thousand, nine hundred ninety-seven".