3868403 has 12 divisors (see below), whose sum is σ = 4909752. Its totient is φ = 3013920.

The previous prime is 3868399. The next prime is 3868427. The reversal of 3868403 is 3048683.

It is not a de Polignac number, because 3868403 - 2² = 3868399 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 3868403.

It is not an unprimeable number, because it can be changed into a prime (3868463) 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 11 ways as a sum of consecutive naturals, for example, 3050 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (409146).

Almost surely, 2^3868403 is an apocalyptic number.

3868403 is a deficient number, since it is larger than the sum of its proper divisors (1041349).

3868403 is a wasteful number, since it uses less digits than its factorization.

3868403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202 (or 7195 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3868403 is about 1966.8256150457. The cubic root of 3868403 is about 156.9798478468.

Subtracting from 3868403 its sum of digits (32), we obtain a triangular number (3868371 = T₂₇₈₁).

The spelling of 3868403 in words is "three million, eight hundred sixty-eight thousand, four hundred three".