2642685 has 8 divisors (see below), whose sum is σ = 4228320. Its totient is φ = 1409424.

The previous prime is 2642639. The next prime is 2642693. The reversal of 2642685 is 5862462.

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

It is not a de Polignac number, because 2642685 - 2⁶ = 2642621 is a prime.

It is a congruent 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, 88075 + ... + 88104.

It is an arithmetic number, because the mean of its divisors is an integer number (528540).

2^2642685 is an apocalyptic number.

It is an amenable number.

2642685 is a deficient number, since it is larger than the sum of its proper divisors (1585635).

2642685 is a wasteful number, since it uses less digits than its factorization.

2642685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176187.

The product of its digits is 23040, while the sum is 33.

The square root of 2642685 is about 1625.6337225833. The cubic root of 2642685 is about 138.2553034883.

The spelling of 2642685 in words is "two million, six hundred forty-two thousand, six hundred eighty-five".