3869903 has 4 divisors (see below), whose sum is σ = 3875808. Its totient is φ = 3864000.

The previous prime is 3869881. The next prime is 3869917. The reversal of 3869903 is 3099683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3869903 - 2⁸ = 3869647 is a prime.

It is a super-2 number, since 2×3869903² = 29952298458818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869993) 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 3 ways as a sum of consecutive naturals, for example, 1826 + ... + 3327.

It is an arithmetic number, because the mean of its divisors is an integer number (968952).

Almost surely, 2^3869903 is an apocalyptic number.

3869903 is a deficient number, since it is larger than the sum of its proper divisors (5905).

3869903 is an equidigital number, since it uses as much as digits as its factorization.

3869903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3869903 is about 1967.2069032006. The cubic root of 3869903 is about 157.0001352319. Note that the first 3 decimals are identical.

The spelling of 3869903 in words is "three million, eight hundred sixty-nine thousand, nine hundred three".