3870903 has 16 divisors (see below), whose sum is σ = 5430656. Its totient is φ = 2449440.

The previous prime is 3870899. The next prime is 3870913. The reversal of 3870903 is 3090783.

It is not a de Polignac number, because 3870903 - 2² = 3870899 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4368 + ... + 5178.

It is an arithmetic number, because the mean of its divisors is an integer number (339416).

Almost surely, 2^3870903 is an apocalyptic number.

3870903 is a deficient number, since it is larger than the sum of its proper divisors (1559753).

3870903 is a wasteful number, since it uses less digits than its factorization.

3870903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3870903 is about 1967.4610542524. The cubic root of 3870903 is about 157.0136572430.

The spelling of 3870903 in words is "three million, eight hundred seventy thousand, nine hundred three".