38830421 has 8 divisors (see below), whose sum is σ = 44477184. Its totient is φ = 33208560.

The previous prime is 38830409. The next prime is 38830423. The reversal of 38830421 is 12403883.

It is a happy number.

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

It is not a de Polignac number, because 38830421 - 2²² = 34636117 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 (38830423) 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, 2750 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (5559648).

Almost surely, 2^38830421 is an apocalyptic number.

It is an amenable number.

38830421 is a deficient number, since it is larger than the sum of its proper divisors (5646763).

38830421 is a wasteful number, since it uses less digits than its factorization.

38830421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 38830421 is about 6231.4060211159. The cubic root of 38830421 is about 338.6289103022.

The spelling of 38830421 in words is "thirty-eight million, eight hundred thirty thousand, four hundred twenty-one".