3985605622 has 8 divisors (see below), whose sum is σ = 6001140816. Its totient is φ = 1985225352.

The previous prime is 3985605599. The next prime is 3985605641. The reversal of 3985605622 is 2265065893.

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, 3788073 + ... + 3789124.

It is an arithmetic number, because the mean of its divisors is an integer number (750142602).

Almost surely, 2^3985605622 is an apocalyptic number.

3985605622 is a deficient number, since it is larger than the sum of its proper divisors (2015535194).

3985605622 is a wasteful number, since it uses less digits than its factorization.

3985605622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577462.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 3985605622 is about 63131.6530909812. The cubic root of 3985605622 is about 1585.4946257529.

The spelling of 3985605622 in words is "three billion, nine hundred eighty-five million, six hundred five thousand, six hundred twenty-two".