3889394 has 8 divisors (see below), whose sum is σ = 5842668. Its totient is φ = 1941840.

The previous prime is 3889387. The next prime is 3889397. The reversal of 3889394 is 4939883.

It can be written as a sum of positive squares in 2 ways, for example, as 2418025 + 1471369 = 1555^2 + 1213^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3889397) 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, 1364 + ... + 3104.

Almost surely, 2^3889394 is an apocalyptic number.

3889394 is a deficient number, since it is larger than the sum of its proper divisors (1953274).

3889394 is a wasteful number, since it uses less digits than its factorization.

3889394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860.

The product of its digits is 186624, while the sum is 44.

The square root of 3889394 is about 1972.1546592496. The cubic root of 3889394 is about 157.2632741719.

The spelling of 3889394 in words is "three million, eight hundred eighty-nine thousand, three hundred ninety-four".