38394479 has 2 divisors, whose sum is σ = 38394480. Its totient is φ = 38394478.

The previous prime is 38394451. The next prime is 38394481. The reversal of 38394479 is 97449383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38394479 - 2¹⁶ = 38328943 is a prime.

Together with 38394481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38394679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19197239 + 19197240.

It is an arithmetic number, because the mean of its divisors is an integer number (19197240).

Almost surely, 2^38394479 is an apocalyptic number.

38394479 is a deficient number, since it is larger than the sum of its proper divisors (1).

38394479 is an equidigital number, since it uses as much as digits as its factorization.

38394479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 38394479 is about 6196.3278641466. The cubic root of 38394479 is about 337.3568966244.

The spelling of 38394479 in words is "thirty-eight million, three hundred ninety-four thousand, four hundred seventy-nine".