936664644 has 24 divisors (see below), whose sum is σ = 2186297568. Its totient is φ = 312114880.

The previous prime is 936664643. The next prime is 936664681. The reversal of 936664644 is 446466639.

It is a junction number, because it is equal to n+sod(n) for n = 936664593 and 936664602.

It is not an unprimeable number, because it can be changed into a prime (936664643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28504 + ... + 51824.

It is an arithmetic number, because the mean of its divisors is an integer number (91095732).

Almost surely, 2^936664644 is an apocalyptic number.

It is an amenable number.

936664644 is an abundant number, since it is smaller than the sum of its proper divisors (1249632924).

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

936664644 is a wasteful number, since it uses less digits than its factorization.

936664644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26675 (or 26673 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 48.

The square root of 936664644 is about 30604.9774383188. The cubic root of 936664644 is about 978.4261298490.

The spelling of 936664644 in words is "nine hundred thirty-six million, six hundred sixty-four thousand, six hundred forty-four".