44619421 has 8 divisors (see below), whose sum is σ = 55629504. Its totient is φ = 34768320.

The previous prime is 44619413. The next prime is 44619431. The reversal of 44619421 is 12491644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44619421 - 2³ = 44619413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44619431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289660 + ... + 289813.

It is an arithmetic number, because the mean of its divisors is an integer number (6953688).

Almost surely, 2^44619421 is an apocalyptic number.

It is an amenable number.

44619421 is a deficient number, since it is larger than the sum of its proper divisors (11010083).

44619421 is a wasteful number, since it uses less digits than its factorization.

44619421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579491.

The product of its digits is 6912, while the sum is 31.

The square root of 44619421 is about 6679.7770172364. Note that the first 3 decimals coincide. The cubic root of 44619421 is about 354.6837651971.

The spelling of 44619421 in words is "forty-four million, six hundred nineteen thousand, four hundred twenty-one".