44134421 has 4 divisors (see below), whose sum is σ = 45558144. Its totient is φ = 42710700.

The previous prime is 44134411. The next prime is 44134423. The reversal of 44134421 is 12443144.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-44134421 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 (44134423) 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, 711815 + ... + 711876.

It is an arithmetic number, because the mean of its divisors is an integer number (11389536).

Almost surely, 2^44134421 is an apocalyptic number.

It is an amenable number.

44134421 is a deficient number, since it is larger than the sum of its proper divisors (1423723).

44134421 is a wasteful number, since it uses less digits than its factorization.

44134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423722.

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

The square root of 44134421 is about 6643.3742179709. The cubic root of 44134421 is about 353.3939778625.

Adding to 44134421 its reverse (12443144), we get a palindrome (56577565).

The spelling of 44134421 in words is "forty-four million, one hundred thirty-four thousand, four hundred twenty-one".