44246021 has 4 divisors (see below), whose sum is σ = 45673344. Its totient is φ = 42818700.

The previous prime is 44246017. The next prime is 44246023. The reversal of 44246021 is 12064244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44246021 - 2² = 44246017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44246023) 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, 713615 + ... + 713676.

It is an arithmetic number, because the mean of its divisors is an integer number (11418336).

Almost surely, 2^44246021 is an apocalyptic number.

It is an amenable number.

44246021 is a deficient number, since it is larger than the sum of its proper divisors (1427323).

44246021 is a wasteful number, since it uses less digits than its factorization.

44246021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427322.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 44246021 is about 6651.7682611468. The cubic root of 44246021 is about 353.6915956970.

The spelling of 44246021 in words is "forty-four million, two hundred forty-six thousand, twenty-one".