38897875 has 8 divisors (see below), whose sum is σ = 48544704. Its totient is φ = 31118200.

The previous prime is 38897869. The next prime is 38897891. The reversal of 38897875 is 57879883.

It is not a de Polignac number, because 38897875 - 2⁹ = 38897363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155467 + ... + 155716.

It is an arithmetic number, because the mean of its divisors is an integer number (6068088).

Almost surely, 2^38897875 is an apocalyptic number.

38897875 is a deficient number, since it is larger than the sum of its proper divisors (9646829).

38897875 is an equidigital number, since it uses as much as digits as its factorization.

38897875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311198 (or 311188 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 38897875 is about 6236.8160947714. The cubic root of 38897875 is about 338.8248791684.

The spelling of 38897875 in words is "thirty-eight million, eight hundred ninety-seven thousand, eight hundred seventy-five".