44890001 has 4 divisors (see below), whose sum is σ = 48343092. Its totient is φ = 41436912.

The previous prime is 44889983. The next prime is 44890003. The reversal of 44890001 is 10009844.

It is a Cunningham number, because it is equal to 6700²+1.

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 6635776 + 38254225 = 2576^2 + 6185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44890001 is a prime.

It is a super-2 number, since 2×44890001² = 4030224379560002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44890003) 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, 1726526 + ... + 1726551.

It is an arithmetic number, because the mean of its divisors is an integer number (12085773).

Almost surely, 2^44890001 is an apocalyptic number.

It is an amenable number.

44890001 is a deficient number, since it is larger than the sum of its proper divisors (3453091).

44890001 is a wasteful number, since it uses less digits than its factorization.

44890001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453090.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 44890001 is about 6700.0000746269. Note that the first 4 decimals coincide. The cubic root of 44890001 is about 355.3992756805.

Adding to 44890001 its reverse (10009844), we get a palindrome (54899845).

The spelling of 44890001 in words is "forty-four million, eight hundred ninety thousand, one".