44606646 has 64 divisors (see below), whose sum is σ = 114048000. Its totient is φ = 12659328.

The previous prime is 44606633. The next prime is 44606651. The reversal of 44606646 is 64660644.

It is a happy number.

44606646 is a `hidden beast` number, since 4 + 4 + 6 + 0 + 6 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 44606646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74926 + ... + 75518.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 2^44606646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44606646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57024000).

44606646 is an abundant number, since it is smaller than the sum of its proper divisors (69441354).

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

44606646 is a wasteful number, since it uses less digits than its factorization.

44606646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 44606646 is about 6678.8207042860. The cubic root of 44606646 is about 354.6499120938.

The spelling of 44606646 in words is "forty-four million, six hundred six thousand, six hundred forty-six".