2985679 has 4 divisors (see below), whose sum is σ = 3142840. Its totient is φ = 2828520.

The previous prime is 2985677. The next prime is 2985691. The reversal of 2985679 is 9765892.

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

It is a cyclic number.

It is not a de Polignac number, because 2985679 - 2¹ = 2985677 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 (2985673) 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, 78552 + ... + 78589.

It is an arithmetic number, because the mean of its divisors is an integer number (785710).

2^2985679 is an apocalyptic number.

2985679 is a deficient number, since it is larger than the sum of its proper divisors (157161).

2985679 is a wasteful number, since it uses less digits than its factorization.

2985679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157160.

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

The square root of 2985679 is about 1727.9117454315. The cubic root of 2985679 is about 143.9950969267.

The spelling of 2985679 in words is "two million, nine hundred eighty-five thousand, six hundred seventy-nine".