3881403 has 6 divisors (see below), whose sum is σ = 5606484. Its totient is φ = 2587596.

The previous prime is 3881393. The next prime is 3881407. The reversal of 3881403 is 3041883.

It is not a de Polignac number, because 3881403 - 2⁴ = 3881387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3881407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215625 + ... + 215642.

It is an arithmetic number, because the mean of its divisors is an integer number (934414).

Almost surely, 2^3881403 is an apocalyptic number.

3881403 is a deficient number, since it is larger than the sum of its proper divisors (1725081).

3881403 is a wasteful number, since it uses less digits than its factorization.

3881403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431273 (or 431270 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3881403 is about 1970.1276608383. The cubic root of 3881403 is about 157.1554979599.

The spelling of 3881403 in words is "three million, eight hundred eighty-one thousand, four hundred three".