44943993 has 6 divisors (see below), whose sum is σ = 64919114. Its totient is φ = 29962656.

The previous prime is 44943991. The next prime is 44944013. The reversal of 44943993 is 39934944.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 1225449 = 6612^2 + 1107^2 .

It is not a de Polignac number, because 44943993 - 2¹ = 44943991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44943991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2496880 + ... + 2496897.

Almost surely, 2^44943993 is an apocalyptic number.

It is an amenable number.

44943993 is a deficient number, since it is larger than the sum of its proper divisors (19975121).

44943993 is a wasteful number, since it uses less digits than its factorization.

44943993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993783 (or 4993780 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 44943993 is about 6704.0281174828. The cubic root of 44943993 is about 355.5417055405.

The spelling of 44943993 in words is "forty-four million, nine hundred forty-three thousand, nine hundred ninety-three".