38730769 has 16 divisors (see below), whose sum is σ = 48698496. Its totient is φ = 30172560.

The previous prime is 38730763. The next prime is 38730779. The reversal of 38730769 is 96703783.

38730769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38730769 - 2²¹ = 36633617 is a prime.

It is a super-2 number, since 2×38730769² = 3000144934662722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38730763) 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 in 15 ways as a sum of consecutive naturals, for example, 7239 + ... + 11395.

It is an arithmetic number, because the mean of its divisors is an integer number (3043656).

Almost surely, 2^38730769 is an apocalyptic number.

It is an amenable number.

38730769 is a deficient number, since it is larger than the sum of its proper divisors (9967727).

38730769 is an equidigital number, since it uses as much as digits as its factorization.

38730769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197 (or 4175 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 38730769 is about 6223.4049362065. The cubic root of 38730769 is about 338.3389833532.

The spelling of 38730769 in words is "thirty-eight million, seven hundred thirty thousand, seven hundred sixty-nine".