38479421 has 2 divisors, whose sum is σ = 38479422. Its totient is φ = 38479420.

The previous prime is 38479403. The next prime is 38479429. The reversal of 38479421 is 12497483.

38479421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 792100 = 6139^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 38479421 - 2¹⁴ = 38463037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38479429) 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 as a sum of consecutive naturals, namely, 19239710 + 19239711.

It is an arithmetic number, because the mean of its divisors is an integer number (19239711).

Almost surely, 2^38479421 is an apocalyptic number.

It is an amenable number.

38479421 is a deficient number, since it is larger than the sum of its proper divisors (1).

38479421 is an equidigital number, since it uses as much as digits as its factorization.

38479421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 38479421 is about 6203.1782982597. The cubic root of 38479421 is about 337.6054971524.

The spelling of 38479421 in words is "thirty-eight million, four hundred seventy-nine thousand, four hundred twenty-one".