2633645 has 16 divisors (see below), whose sum is σ = 3691008. Its totient is φ = 1766400.

The previous prime is 2633641. The next prime is 2633651. The reversal of 2633645 is 5463362.

It is not a de Polignac number, because 2633645 - 2² = 2633641 is a prime.

It is a super-3 number, since 3×2633645³ = 54801564529994433375, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 6 + 3⁶ + 3¹² + 6³ + 4⁶ + 5 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2633641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (230688).

2^2633645 is an apocalyptic number.

It is an amenable number.

2633645 is a deficient number, since it is larger than the sum of its proper divisors (1057363).

2633645 is a wasteful number, since it uses less digits than its factorization.

2633645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its digits is 12960, while the sum is 29.

The square root of 2633645 is about 1622.8508865574. The cubic root of 2633645 is about 138.0974771639.

The spelling of 2633645 in words is "two million, six hundred thirty-three thousand, six hundred forty-five".