2635264 has 20 divisors (see below), whose sum is σ = 5266404. Its totient is φ = 1317376.

The previous prime is 2635253. The next prime is 2635267. The reversal of 2635264 is 4625362.

It is a happy number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 3⁸ + 5⁵ + 2²¹ + 6² + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2635267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062 + ... + 3085.

2^2635264 is an apocalyptic number.

It is an amenable number.

2635264 is a deficient number, since it is larger than the sum of its proper divisors (2631140).

2635264 is an frugal number, since it uses more digits than its factorization.

2635264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165 (or 5149 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 2635264 is about 1623.3496234638. The cubic root of 2635264 is about 138.1257692606.

The spelling of 2635264 in words is "two million, six hundred thirty-five thousand, two hundred sixty-four".