3869825 has 12 divisors (see below), whose sum is σ = 5051760. Its totient is φ = 2932560.

The previous prime is 3869807. The next prime is 3869849. The reversal of 3869825 is 5289683.

It is a de Polignac number, because none of the positive numbers 2^k-3869825 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 8⁵ + 6³ + 9⁵ + 8⁷ + 2¹³ + 5⁷ .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3599 + ... + 4548.

It is an arithmetic number, because the mean of its divisors is an integer number (420980).

Almost surely, 2^3869825 is an apocalyptic number.

It is an amenable number.

3869825 is a deficient number, since it is larger than the sum of its proper divisors (1181935).

3869825 is a wasteful number, since it uses less digits than its factorization.

3869825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176 (or 8171 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 3869825 is about 1967.1870780381. The cubic root of 3869825 is about 156.9990804171. Note that the first 3 decimals are identical.

The spelling of 3869825 in words is "three million, eight hundred sixty-nine thousand, eight hundred twenty-five".