2670985 has 8 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 2130864.

The previous prime is 2670973. The next prime is 2671021. The reversal of 2670985 is 5890762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2670985 is a prime.

2670985 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2664 + ... + 3526.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

2^2670985 is an apocalyptic number.

It is an amenable number.

2670985 is a deficient number, since it is larger than the sum of its proper divisors (543095).

2670985 is an equidigital number, since it uses as much as digits as its factorization.

2670985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2670985 is about 1634.3148411490. The cubic root of 2670985 is about 138.7470686284.

It can be divided in two parts, 2670 and 985, that added together give a triangular number (3655 = T₈₅).

The spelling of 2670985 in words is "two million, six hundred seventy thousand, nine hundred eighty-five".