3869975 has 6 divisors (see below), whose sum is σ = 4798800. Its totient is φ = 3095960.

The previous prime is 3869959. The next prime is 3869989. The reversal of 3869975 is 5799683.

It is not a de Polignac number, because 3869975 - 2⁴ = 3869959 is a prime.

It is a d-powerful number, because it can be written as 3¹² + 8⁷ + 6⁷ + 9³ + 9⁵ + 7⁷ + 5⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77375 + ... + 77424.

It is an arithmetic number, because the mean of its divisors is an integer number (799800).

Almost surely, 2^3869975 is an apocalyptic number.

3869975 is a deficient number, since it is larger than the sum of its proper divisors (928825).

3869975 is a wasteful number, since it uses less digits than its factorization.

3869975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154809 (or 154804 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 3869975 is about 1967.2252031732. The cubic root of 3869975 is about 157.0011088945.

The spelling of 3869975 in words is "three million, eight hundred sixty-nine thousand, nine hundred seventy-five".