38734387 has 2 divisors, whose sum is σ = 38734388. Its totient is φ = 38734386.

The previous prime is 38734379. The next prime is 38734417. The reversal of 38734387 is 78343783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38734387 - 2³ = 38734379 is a prime.

It is not a weakly prime, because it can be changed into another prime (38734187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19367193 + 19367194.

It is an arithmetic number, because the mean of its divisors is an integer number (19367194).

Almost surely, 2^38734387 is an apocalyptic number.

38734387 is a deficient number, since it is larger than the sum of its proper divisors (1).

38734387 is an equidigital number, since it uses as much as digits as its factorization.

38734387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The square root of 38734387 is about 6223.6956063098. The cubic root of 38734387 is about 338.3495182359.

The spelling of 38734387 in words is "thirty-eight million, seven hundred thirty-four thousand, three hundred eighty-seven".