2658997 has 4 divisors (see below), whose sum is σ = 2900736. Its totient is φ = 2417260.

The previous prime is 2658989. The next prime is 2659001. The reversal of 2658997 is 7998562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2658997 - 2³ = 2658989 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 (2658947) 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, 120853 + ... + 120874.

It is an arithmetic number, because the mean of its divisors is an integer number (725184).

2^2658997 is an apocalyptic number.

It is an amenable number.

2658997 is a deficient number, since it is larger than the sum of its proper divisors (241739).

2658997 is a wasteful number, since it uses less digits than its factorization.

2658997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241738.

The product of its digits is 272160, while the sum is 46.

The square root of 2658997 is about 1630.6431246597. The cubic root of 2658997 is about 138.5391809631.

It can be divided in two parts, 2658 and 997, that added together give a triangular number (3655 = T₈₅).

The spelling of 2658997 in words is "two million, six hundred fifty-eight thousand, nine hundred ninety-seven".