3881330 has 8 divisors (see below), whose sum is σ = 6986412. Its totient is φ = 1552528.

The previous prime is 3881323. The next prime is 3881333. The reversal of 3881330 is 331883.

It can be written as a sum of positive squares in 2 ways, for example, as 3500641 + 380689 = 1871^2 + 617^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3881330.

It is not an unprimeable number, because it can be changed into a prime (3881333) 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 3 ways as a sum of consecutive naturals, for example, 194057 + ... + 194076.

Almost surely, 2^3881330 is an apocalyptic number.

3881330 is a deficient number, since it is larger than the sum of its proper divisors (3105082).

3881330 is a wasteful number, since it uses less digits than its factorization.

3881330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388140.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3881330 is about 1970.1091340329. The cubic root of 3881330 is about 157.1545127128.

The spelling of 3881330 in words is "three million, eight hundred eighty-one thousand, three hundred thirty".