4089221686 has 32 divisors (see below), whose sum is σ = 7088613120. Its totient is φ = 1749664800.

The previous prime is 4089221683. The next prime is 4089221711. The reversal of 4089221686 is 6861229804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4089221683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34471 + ... + 96781.

It is an arithmetic number, because the mean of its divisors is an integer number (221519160).

Almost surely, 2^4089221686 is an apocalyptic number.

4089221686 is a deficient number, since it is larger than the sum of its proper divisors (2999391434).

4089221686 is a wasteful number, since it uses less digits than its factorization.

4089221686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62500.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 4089221686 is about 63947.0224951874. The cubic root of 4089221686 is about 1599.1169197267.

The spelling of 4089221686 in words is "four billion, eighty-nine million, two hundred twenty-one thousand, six hundred eighty-six".