44893381 has 4 divisors (see below), whose sum is σ = 48346732. Its totient is φ = 41440032.

The previous prime is 44893369. The next prime is 44893397. The reversal of 44893381 is 18339844.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14753281 + 30140100 = 3841^2 + 5490^2 .

It is a cyclic number.

It is not a de Polignac number, because 44893381 - 2⁵ = 44893349 is a prime.

It is a super-2 number, since 2×44893381² = 4030831315222322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44893351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726656 + ... + 1726681.

It is an arithmetic number, because the mean of its divisors is an integer number (12086683).

Almost surely, 2^44893381 is an apocalyptic number.

It is an amenable number.

44893381 is a deficient number, since it is larger than the sum of its proper divisors (3453351).

44893381 is a wasteful number, since it uses less digits than its factorization.

44893381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453350.

The product of its digits is 82944, while the sum is 40.

The square root of 44893381 is about 6700.2523086821. The cubic root of 44893381 is about 355.4081954056.

The spelling of 44893381 in words is "forty-four million, eight hundred ninety-three thousand, three hundred eighty-one".