44991606 has 32 divisors (see below), whose sum is σ = 99417600. Its totient is φ = 13459680.

The previous prime is 44991589. The next prime is 44991649. The reversal of 44991606 is 60619944.

44991606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44991606² = 4048489220918472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900 + ... + 9528.

It is an arithmetic number, because the mean of its divisors is an integer number (3106800).

Almost surely, 2^44991606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44991606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49708800).

44991606 is an abundant number, since it is smaller than the sum of its proper divisors (54425994).

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

44991606 is a wasteful number, since it uses less digits than its factorization.

44991606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 44991606 is about 6707.5782515003. The cubic root of 44991606 is about 355.6672131016.

It can be divided in two parts, 4499 and 1606, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 44991606 in words is "forty-four million, nine hundred ninety-one thousand, six hundred six".