8063644 has 12 divisors (see below), whose sum is σ = 14941584. Its totient is φ = 3794624.

The previous prime is 8063641. The next prime is 8063647. The reversal of 8063644 is 4463608.

It is an interprime number because it is at equal distance from previous prime (8063641) and next prime (8063647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8063641) 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, 59224 + ... + 59359.

It is an arithmetic number, because the mean of its divisors is an integer number (1245132).

Almost surely, 2^8063644 is an apocalyptic number.

It is an amenable number.

8063644 is a deficient number, since it is larger than the sum of its proper divisors (6877940).

8063644 is a wasteful number, since it uses less digits than its factorization.

8063644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118604 (or 118602 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 8063644 is about 2839.6556129221. The cubic root of 8063644 is about 200.5289664060.

The spelling of 8063644 in words is "eight million, sixty-three thousand, six hundred forty-four".