2660679 has 24 divisors (see below), whose sum is σ = 4436640. Its totient is φ = 1505088.

The previous prime is 2660659. The next prime is 2660719. The reversal of 2660679 is 9760662.

It is not a de Polignac number, because 2660679 - 2¹³ = 2652487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9757 + ... + 10025.

It is an arithmetic number, because the mean of its divisors is an integer number (184860).

2^2660679 is an apocalyptic number.

2660679 is a deficient number, since it is larger than the sum of its proper divisors (1775961).

2660679 is a wasteful number, since it uses less digits than its factorization.

2660679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2660679 is about 1631.1587905535. The cubic root of 2660679 is about 138.5683866855.

The spelling of 2660679 in words is "two million, six hundred sixty thousand, six hundred seventy-nine".