44091901 has 8 divisors (see below), whose sum is σ = 51752960. Its totient is φ = 36771408.

The previous prime is 44091881. The next prime is 44091907. The reversal of 44091901 is 10919044.

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

It is a cyclic number.

It is not a de Polignac number, because 44091901 - 2¹¹ = 44089853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44091901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44091907) 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, 84861 + ... + 85378.

It is an arithmetic number, because the mean of its divisors is an integer number (6469120).

Almost surely, 2^44091901 is an apocalyptic number.

It is an amenable number.

44091901 is a deficient number, since it is larger than the sum of its proper divisors (7661059).

44091901 is a wasteful number, since it uses less digits than its factorization.

44091901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170283.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 44091901 is about 6640.1732658117. The cubic root of 44091901 is about 353.2804524120.

The spelling of 44091901 in words is "forty-four million, ninety-one thousand, nine hundred one".