3889243 has 8 divisors (see below), whose sum is σ = 4335120. Its totient is φ = 3467520.

The previous prime is 3889241. The next prime is 3889253. The reversal of 3889243 is 3429883.

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

It is a cyclic number.

It is not a de Polignac number, because 3889243 - 2¹ = 3889241 is a prime.

It is a super-2 number, since 2×3889243² = 30252422226098, which contains 22 as substring.

It is a Duffinian number.

3889243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3889241) 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 7 ways as a sum of consecutive naturals, for example, 5698 + ... + 6343.

It is an arithmetic number, because the mean of its divisors is an integer number (541890).

Almost surely, 2^3889243 is an apocalyptic number.

3889243 is a deficient number, since it is larger than the sum of its proper divisors (445877).

3889243 is a wasteful number, since it uses less digits than its factorization.

3889243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12077.

The product of its digits is 41472, while the sum is 37.

The square root of 3889243 is about 1972.1163758764. The cubic root of 3889243 is about 157.2612389738.

The spelling of 3889243 in words is "three million, eight hundred eighty-nine thousand, two hundred forty-three".