44304021 has 6 divisors (see below), whose sum is σ = 63994710. Its totient is φ = 29536008.

The previous prime is 44304011. The next prime is 44304037. The reversal of 44304021 is 12040344.

It can be written as a sum of positive squares in only one way, i.e., 40640625 + 3663396 = 6375^2 + 1914^2 .

It is not a de Polignac number, because 44304021 - 2¹⁰ = 44302997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44303985 and 44304003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44304011) 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, 2461326 + ... + 2461343.

It is an arithmetic number, because the mean of its divisors is an integer number (10665785).

Almost surely, 2^44304021 is an apocalyptic number.

It is an amenable number.

44304021 is a deficient number, since it is larger than the sum of its proper divisors (19690689).

44304021 is a wasteful number, since it uses less digits than its factorization.

44304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922675 (or 4922672 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44304021 is about 6656.1265763205. The cubic root of 44304021 is about 353.8460740354.

Adding to 44304021 its reverse (12040344), we get a palindrome (56344365).

The spelling of 44304021 in words is "forty-four million, three hundred four thousand, twenty-one".