38890797 has 16 divisors (see below), whose sum is σ = 56816640. Its totient is φ = 23466800.

The previous prime is 38890783. The next prime is 38890799. The reversal of 38890797 is 79709883.

It is a happy number.

38890797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38890797 - 2⁷ = 38890669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38890799) 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, 5422 + ... + 10352.

It is an arithmetic number, because the mean of its divisors is an integer number (3551040).

Almost surely, 2^38890797 is an apocalyptic number.

It is an amenable number.

38890797 is a deficient number, since it is larger than the sum of its proper divisors (17925843).

38890797 is a wasteful number, since it uses less digits than its factorization.

38890797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 38890797 is about 6236.2486319902. The cubic root of 38890797 is about 338.8043266491.

The spelling of 38890797 in words is "thirty-eight million, eight hundred ninety thousand, seven hundred ninety-seven".