5263644 has 12 divisors (see below), whose sum is σ = 12281864. Its totient is φ = 1754544.

The previous prime is 5263639. The next prime is 5263649. The reversal of 5263644 is 4463625.

It is an interprime number because it is at equal distance from previous prime (5263639) and next prime (5263649).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219307 + ... + 219330.

Almost surely, 2^5263644 is an apocalyptic number.

It is an amenable number.

5263644 is an abundant number, since it is smaller than the sum of its proper divisors (7018220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5263644 is a wasteful number, since it uses less digits than its factorization.

5263644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438644 (or 438642 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 5263644 is about 2294.2632804454. The cubic root of 5263644 is about 173.9517636142.

The spelling of 5263644 in words is "five million, two hundred sixty-three thousand, six hundred forty-four".