3889056690 has 24 divisors (see below), whose sum is σ = 10111547628. Its totient is φ = 1037081760.

The previous prime is 3889056679. The next prime is 3889056707. The reversal of 3889056690 is 966509883.

It can be written as a sum of positive squares in 2 ways, for example, as 3565164681 + 323892009 = 59709^2 + 17997^2 .

It is a super-2 number, since 2×3889056690² = 30249523876067512200, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21605781 + ... + 21605960.

Almost surely, 2^3889056690 is an apocalyptic number.

3889056690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3889056690 is an abundant number, since it is smaller than the sum of its proper divisors (6222490938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3889056690 is a wasteful number, since it uses less digits than its factorization.

3889056690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43211754 (or 43211751 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 3889056690 is about 62362.3018337200. The cubic root of 3889056690 is about 1572.5872779028.

The spelling of 3889056690 in words is "three billion, eight hundred eighty-nine million, fifty-six thousand, six hundred ninety".