44691 has 4 divisors (see below), whose sum is σ = 59592. Its totient is φ = 29792.

The previous prime is 44687. The next prime is 44699. The reversal of 44691 is 19644.

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

It is a cyclic number.

It is not a de Polignac number, because 44691 - 2² = 44687 is a prime.

It is a D-number.

44691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (44699) 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, 7446 + ... + 7451.

It is an arithmetic number, because the mean of its divisors is an integer number (14898).

2⁴⁴⁶⁹¹ is an apocalyptic number.

44691 is a deficient number, since it is larger than the sum of its proper divisors (14901).

44691 is a wasteful number, since it uses less digits than its factorization.

44691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14900.

The product of its digits is 864, while the sum is 24.

The square root of 44691 is about 211.4024597776. The cubic root of 44691 is about 35.4873326490.

The spelling of 44691 in words is "forty-four thousand, six hundred ninety-one".