38477399 has 2 divisors, whose sum is σ = 38477400. Its totient is φ = 38477398.

The previous prime is 38477377. The next prime is 38477419. The reversal of 38477399 is 99377483.

It is a strong prime.

It is an emirp because it is prime and its reverse (99377483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38477399 - 2²⁴ = 21700183 is a prime.

It is a Sophie Germain 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 (38477339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19238699 + 19238700.

It is an arithmetic number, because the mean of its divisors is an integer number (19238700).

Almost surely, 2^38477399 is an apocalyptic number.

38477399 is a deficient number, since it is larger than the sum of its proper divisors (1).

38477399 is an equidigital number, since it uses as much as digits as its factorization.

38477399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 38477399 is about 6203.0153151512. The cubic root of 38477399 is about 337.5995835995.

The spelling of 38477399 in words is "thirty-eight million, four hundred seventy-seven thousand, three hundred ninety-nine".