7964636 has 12 divisors (see below), whose sum is σ = 14758128. Its totient is φ = 3748032.

The previous prime is 7964633. The next prime is 7964651. The reversal of 7964636 is 6364697.

It is a happy number.

7964636 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7964636² = 126870853224992, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7964593 and 7964602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964633) 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, 58496 + ... + 58631.

It is an arithmetic number, because the mean of its divisors is an integer number (1229844).

Almost surely, 2^7964636 is an apocalyptic number.

It is an amenable number.

7964636 is a deficient number, since it is larger than the sum of its proper divisors (6793492).

7964636 is a wasteful number, since it uses less digits than its factorization.

7964636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117148 (or 117146 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 7964636 is about 2822.1686696581. The cubic root of 7964636 is about 199.7048646900.

The spelling of 7964636 in words is "seven million, nine hundred sixty-four thousand, six hundred thirty-six".