44947 has 4 divisors (see below), whose sum is σ = 51376. Its totient is φ = 38520.

The previous prime is 44939. The next prime is 44953. The reversal of 44947 is 74944.

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 44947 - 2³ = 44939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44917) 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, 3204 + ... + 3217.

It is an arithmetic number, because the mean of its divisors is an integer number (12844).

2⁴⁴⁹⁴⁷ is an apocalyptic number.

44947 is a deficient number, since it is larger than the sum of its proper divisors (6429).

44947 is an equidigital number, since it uses as much as digits as its factorization.

44947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428.

The product of its digits is 4032, while the sum is 28.

The square root of 44947 is about 212.0070753536. The cubic root of 44947 is about 35.5549634595.

It can be divided in two parts, 449 and 47, that added together give a triangular number (496 = T₃₁).

The spelling of 44947 in words is "forty-four thousand, nine hundred forty-seven".