2633891 has 12 divisors (see below), whose sum is σ = 2972928. Its totient is φ = 2319504.

The previous prime is 2633863. The next prime is 2633899. The reversal of 2633891 is 1983362.

It is not a de Polignac number, because 2633891 - 2¹⁰ = 2632867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2633899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6686 + ... + 7068.

It is an arithmetic number, because the mean of its divisors is an integer number (247744).

2^2633891 is an apocalyptic number.

2633891 is a deficient number, since it is larger than the sum of its proper divisors (339037).

2633891 is a wasteful number, since it uses less digits than its factorization.

2633891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 419 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2633891 is about 1622.9266773333. The cubic root of 2633891 is about 138.1017767717.

The spelling of 2633891 in words is "two million, six hundred thirty-three thousand, eight hundred ninety-one".