3136644 has 72 divisors (see below), whose sum is σ = 9417408. Its totient is φ = 894240.

The previous prime is 3136643. The next prime is 3136649. The reversal of 3136644 is 4466313.

3136644 is a `hidden beast` number, since 3 + 13 + 6 + 644 = 666.

3136644 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

3136644 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (3136643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6574 + ... + 7034.

Almost surely, 2^3136644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3136644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4708704).

3136644 is an abundant number, since it is smaller than the sum of its proper divisors (6280764).

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

3136644 is a wasteful number, since it uses less digits than its factorization.

3136644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 473 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3136644 is about 1771.0573113256. The cubic root of 3136644 is about 146.3822472427.

The spelling of 3136644 in words is "three million, one hundred thirty-six thousand, six hundred forty-four".