2641685 has 8 divisors (see below), whose sum is σ = 3179520. Its totient is φ = 2107024.

The previous prime is 2641669. The next prime is 2641687. The reversal of 2641685 is 5861462.

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

It is a cyclic number.

It is not a de Polignac number, because 2641685 - 2⁴ = 2641669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (397440).

2^2641685 is an apocalyptic number.

It is an amenable number.

2641685 is a deficient number, since it is larger than the sum of its proper divisors (537835).

2641685 is a wasteful number, since it uses less digits than its factorization.

2641685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its digits is 11520, while the sum is 32.

The square root of 2641685 is about 1625.3261211215. The cubic root of 2641685 is about 138.2378625465.

The spelling of 2641685 in words is "two million, six hundred forty-one thousand, six hundred eighty-five".