3601984986 has 24 divisors (see below), whose sum is σ = 7814585844. Its totient is φ = 1199079360.

The previous prime is 3601984963. The next prime is 3601985017. The reversal of 3601984986 is 6894891063.

3601984986 is a `hidden beast` number, since 3 + 60 + 1 + 98 + 498 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1977491961 + 1624493025 = 44469^2 + 40305^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117781 + ... + 145176.

Almost surely, 2^3601984986 is an apocalyptic number.

3601984986 is an abundant number, since it is smaller than the sum of its proper divisors (4212600858).

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

3601984986 is a wasteful number, since it uses less digits than its factorization.

3601984986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263726 (or 263723 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 3601984986 is about 60016.5392704378. The cubic root of 3601984986 is about 1532.9005007144.

The spelling of 3601984986 in words is "three billion, six hundred one million, nine hundred eighty-four thousand, nine hundred eighty-six".