44475986 has 8 divisors (see below), whose sum is σ = 66769164. Its totient is φ = 22219600.

The previous prime is 44475967. The next prime is 44475989. The reversal of 44475986 is 68957444.

It can be written as a sum of positive squares in 2 ways, for example, as 39300361 + 5175625 = 6269^2 + 2275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×44475986² = 3956226661344392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44475986.

It is not an unprimeable number, because it can be changed into a prime (44475989) 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, 5945 + ... + 11148.

Almost surely, 2^44475986 is an apocalyptic number.

44475986 is a deficient number, since it is larger than the sum of its proper divisors (22293178).

44475986 is a wasteful number, since it uses less digits than its factorization.

44475986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18396.

The product of its digits is 967680, while the sum is 47.

The square root of 44475986 is about 6669.0318637715. The cubic root of 44475986 is about 354.3032980068.

The spelling of 44475986 in words is "forty-four million, four hundred seventy-five thousand, nine hundred eighty-six".