2665957 has 16 divisors (see below), whose sum is σ = 3307392. Its totient is φ = 2096640.

The previous prime is 2665939. The next prime is 2665967. The reversal of 2665957 is 7595662.

It is not a de Polignac number, because 2665957 - 2¹⁹ = 2141669 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 (2665967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4857 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (206712).

2^2665957 is an apocalyptic number.

It is an amenable number.

2665957 is a deficient number, since it is larger than the sum of its proper divisors (641435).

2665957 is a wasteful number, since it uses less digits than its factorization.

2665957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its digits is 113400, while the sum is 40.

The square root of 2665957 is about 1632.7758572443. The cubic root of 2665957 is about 138.6599523941.

The spelling of 2665957 in words is "two million, six hundred sixty-five thousand, nine hundred fifty-seven".