2642650 has 24 divisors (see below), whose sum is σ = 5206140. Its totient is φ = 994560.

The previous prime is 2642639. The next prime is 2642693. The reversal of 2642650 is 562462.

It can be written as a sum of positive squares in 6 ways, for example, as 881721 + 1760929 = 939^2 + 1327^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705 + ... + 2404.

2^2642650 is an apocalyptic number.

2642650 is a deficient number, since it is larger than the sum of its proper divisors (2563490).

2642650 is a wasteful number, since it uses less digits than its factorization.

2642650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2642650 is about 1625.6229575151. The cubic root of 2642650 is about 138.2546931296.

The spelling of 2642650 in words is "two million, six hundred forty-two thousand, six hundred fifty".