44749986 has 16 divisors (see below), whose sum is σ = 89652000. Its totient is φ = 14891328.

The previous prime is 44749981. The next prime is 44750009. The reversal of 44749986 is 68994744.

It is a super-2 number, since 2×44749986² = 4005122494000392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44749981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (5603250).

Almost surely, 2^44749986 is an apocalyptic number.

44749986 is an abundant number, since it is smaller than the sum of its proper divisors (44902014).

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

44749986 is a wasteful number, since it uses less digits than its factorization.

44749986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12673.

The product of its digits is 1741824, while the sum is 51.

The square root of 44749986 is about 6689.5430337206. The cubic root of 44749986 is about 355.0293859163.

The spelling of 44749986 in words is "forty-four million, seven hundred forty-nine thousand, nine hundred eighty-six".