3858003 has 16 divisors (see below), whose sum is σ = 5850240. Its totient is φ = 2511432.

The previous prime is 3857993. The next prime is 3858011. The reversal of 3858003 is 3008583.

It is not a de Polignac number, because 3858003 - 2⁸ = 3857747 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3858053) 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, 501 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (365640).

Almost surely, 2^3858003 is an apocalyptic number.

3858003 is a deficient number, since it is larger than the sum of its proper divisors (1992237).

3858003 is a wasteful number, since it uses less digits than its factorization.

3858003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3858003 is about 1964.1799815699. The cubic root of 3858003 is about 156.8390442085.

The spelling of 3858003 in words is "three million, eight hundred fifty-eight thousand, three".