3875247 has 24 divisors (see below), whose sum is σ = 5931744. Its totient is φ = 2433024.

The previous prime is 3875243. The next prime is 3875273. The reversal of 3875247 is 7425783.

It is not a de Polignac number, because 3875247 - 2² = 3875243 is a prime.

It is a super-2 number, since 2×3875247² = 30035078622018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875243) 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 23 ways as a sum of consecutive naturals, for example, 19983 + ... + 20175.

It is an arithmetic number, because the mean of its divisors is an integer number (247156).

Almost surely, 2^3875247 is an apocalyptic number.

3875247 is a deficient number, since it is larger than the sum of its proper divisors (2056497).

3875247 is a wasteful number, since it uses less digits than its factorization.

3875247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 316 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 3875247 is about 1968.5647055660. The cubic root of 3875247 is about 157.0723698434.

The spelling of 3875247 in words is "three million, eight hundred seventy-five thousand, two hundred forty-seven".