2642637 has 8 divisors (see below), whose sum is σ = 3566304. Its totient is φ = 1740368.

The previous prime is 2642621. The next prime is 2642639. The reversal of 2642637 is 7362462.

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 2642637 - 2⁴ = 2642621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642639) 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, 5058 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (445788).

2^2642637 is an apocalyptic number.

It is an amenable number.

2642637 is a deficient number, since it is larger than the sum of its proper divisors (923667).

2642637 is a wasteful number, since it uses less digits than its factorization.

2642637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699.

The product of its digits is 12096, while the sum is 30.

The square root of 2642637 is about 1625.6189590430. The cubic root of 2642637 is about 138.2544664236.

The spelling of 2642637 in words is "two million, six hundred forty-two thousand, six hundred thirty-seven".