38897278 has 24 divisors (see below), whose sum is σ = 70826832. Its totient is φ = 15944544.

The previous prime is 38897273. The next prime is 38897293. The reversal of 38897278 is 87279883.

38897278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38897273) 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 11 ways as a sum of consecutive naturals, for example, 6375 + ... + 10882.

It is an arithmetic number, because the mean of its divisors is an integer number (2951118).

Almost surely, 2^38897278 is an apocalyptic number.

38897278 is a deficient number, since it is larger than the sum of its proper divisors (31929554).

38897278 is a wasteful number, since it uses less digits than its factorization.

38897278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17296 (or 17289 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 38897278 is about 6236.7682336287. The cubic root of 38897278 is about 338.8231457447.

The spelling of 38897278 in words is "thirty-eight million, eight hundred ninety-seven thousand, two hundred seventy-eight".