3889874091 has 16 divisors (see below), whose sum is σ = 5494898304. Its totient is φ = 2439233664.

The previous prime is 3889874083. The next prime is 3889874117. The reversal of 3889874091 is 1904789883.

It is not a de Polignac number, because 3889874091 - 2³ = 3889874083 is a prime.

It is a super-2 number, since 2×3889874091² = 30262240887666152562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3889870091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65740 + ... + 110006.

It is an arithmetic number, because the mean of its divisors is an integer number (343431144).

Almost surely, 2^3889874091 is an apocalyptic number.

3889874091 is a deficient number, since it is larger than the sum of its proper divisors (1605024213).

3889874091 is a wasteful number, since it uses less digits than its factorization.

3889874091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46010.

The product of its (nonzero) digits is 3483648, while the sum is 57.

The square root of 3889874091 is about 62368.8551361976. The cubic root of 3889874091 is about 1572.6974455235.

The spelling of 3889874091 in words is "three billion, eight hundred eighty-nine million, eight hundred seventy-four thousand, ninety-one".