3881338 has 8 divisors (see below), whose sum is σ = 6164532. Its totient is φ = 1826496.

The previous prime is 3881333. The next prime is 3881341. The reversal of 3881338 is 8331883.

It can be written as a sum of positive squares in 2 ways, for example, as 3323329 + 558009 = 1823^2 + 747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 114157 = 3881338 / (3 + 8 + 8 + 1 + 3 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (3881333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57045 + ... + 57112.

Almost surely, 2^3881338 is an apocalyptic number.

3881338 is a deficient number, since it is larger than the sum of its proper divisors (2283194).

3881338 is a wasteful number, since it uses less digits than its factorization.

3881338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114176.

The product of its digits is 13824, while the sum is 34.

The square root of 3881338 is about 1970.1111643763. Note that the first 4 decimals coincide. The cubic root of 3881338 is about 157.1546206857.

The spelling of 3881338 in words is "three million, eight hundred eighty-one thousand, three hundred thirty-eight".