38854421 has 4 divisors (see below), whose sum is σ = 38868000. Its totient is φ = 38840844.

The previous prime is 38854399. The next prime is 38854423. The reversal of 38854421 is 12445883.

38854421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38854421 - 2²² = 34660117 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 (38854423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (9717000).

Almost surely, 2^38854421 is an apocalyptic number.

It is an amenable number.

38854421 is a deficient number, since it is larger than the sum of its proper divisors (13579).

38854421 is an equidigital number, since it uses as much as digits as its factorization.

38854421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13578.

The product of its digits is 30720, while the sum is 35.

The square root of 38854421 is about 6233.3314527626. The cubic root of 38854421 is about 338.6986616280.

The spelling of 38854421 in words is "thirty-eight million, eight hundred fifty-four thousand, four hundred twenty-one".