44398020 has 24 divisors (see below), whose sum is σ = 124314624. Its totient is φ = 11839456.

The previous prime is 44398009. The next prime is 44398021. The reversal of 44398020 is 2089344.

It is a happy number.

44398020 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

44398020 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (44398021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369924 + ... + 370043.

It is an arithmetic number, because the mean of its divisors is an integer number (5179776).

Almost surely, 2^44398020 is an apocalyptic number.

It is an amenable number.

44398020 is an abundant number, since it is smaller than the sum of its proper divisors (79916604).

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

44398020 is a wasteful number, since it uses less digits than its factorization.

44398020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739979 (or 739977 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 44398020 is about 6663.1839236209. The cubic root of 44398020 is about 354.0961467591.

The spelling of 44398020 in words is "forty-four million, three hundred ninety-eight thousand, twenty".