44506993 has 4 divisors (see below), whose sum is σ = 44659188. Its totient is φ = 44354800.

The previous prime is 44506991. The next prime is 44506997. The reversal of 44506993 is 39960544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21003889 + 23503104 = 4583^2 + 4848^2 .

It is a cyclic number.

It is not a de Polignac number, because 44506993 - 2¹ = 44506991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44506991) 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, 75658 + ... + 76243.

It is an arithmetic number, because the mean of its divisors is an integer number (11164797).

Almost surely, 2^44506993 is an apocalyptic number.

It is an amenable number.

44506993 is a deficient number, since it is larger than the sum of its proper divisors (152195).

44506993 is a wasteful number, since it uses less digits than its factorization.

44506993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152194.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 44506993 is about 6671.3561589830. The cubic root of 44506993 is about 354.3856145657.

The spelling of 44506993 in words is "forty-four million, five hundred six thousand, nine hundred ninety-three".