38478299 has 2 divisors, whose sum is σ = 38478300. Its totient is φ = 38478298.

The previous prime is 38478277. The next prime is 38478313. The reversal of 38478299 is 99287483.

It is a happy number.

38478299 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 is a cyclic number.

It is not a de Polignac number, because 38478299 - 2¹² = 38474203 is a prime.

It is not a weakly prime, because it can be changed into another prime (38478229) 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, 19239149 + 19239150.

It is an arithmetic number, because the mean of its divisors is an integer number (19239150).

Almost surely, 2^38478299 is an apocalyptic number.

38478299 is a deficient number, since it is larger than the sum of its proper divisors (1).

38478299 is an equidigital number, since it uses as much as digits as its factorization.

38478299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 38478299 is about 6203.0878600903. The cubic root of 38478299 is about 337.6022157703.

The spelling of 38478299 in words is "thirty-eight million, four hundred seventy-eight thousand, two hundred ninety-nine".