3889642774 has 8 divisors (see below), whose sum is σ = 5835518640. Its totient is φ = 1944469896.

The previous prime is 3889642753. The next prime is 3889642781. The reversal of 3889642774 is 4772469883.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161689 + ... + 184180.

It is an arithmetic number, because the mean of its divisors is an integer number (729439830).

Almost surely, 2^3889642774 is an apocalyptic number.

3889642774 is a deficient number, since it is larger than the sum of its proper divisors (1945875866).

3889642774 is a wasteful number, since it uses less digits than its factorization.

3889642774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351494.

The product of its digits is 16257024, while the sum is 58.

The square root of 3889642774 is about 62367.0006814501. Note that the first 3 decimals coincide. The cubic root of 3889642774 is about 1572.6662706613. Note that the first 3 decimals are identical.

The spelling of 3889642774 in words is "three billion, eight hundred eighty-nine million, six hundred forty-two thousand, seven hundred seventy-four".