44827421 has 4 divisors (see below), whose sum is σ = 44882844. Its totient is φ = 44772000.

The previous prime is 44827411. The next prime is 44827423. The reversal of 44827421 is 12472844.

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 5827396 + 39000025 = 2414^2 + 6245^2 .

It is a cyclic number.

It is not a de Polignac number, because 44827421 - 2⁶ = 44827357 is a prime.

It is a super-2 number, since 2×44827421² = 4018995347022482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44827423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26480 + ... + 28121.

It is an arithmetic number, because the mean of its divisors is an integer number (11220711).

Almost surely, 2^44827421 is an apocalyptic number.

It is an amenable number.

44827421 is a deficient number, since it is larger than the sum of its proper divisors (55423).

44827421 is an equidigital number, since it uses as much as digits as its factorization.

44827421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55422.

The product of its digits is 14336, while the sum is 32.

The square root of 44827421 is about 6695.3282966558. The cubic root of 44827421 is about 355.2340478693.

The spelling of 44827421 in words is "forty-four million, eight hundred twenty-seven thousand, four hundred twenty-one".