3659770998 has 112 divisors (see below), whose sum is σ = 8907600240. Its totient is φ = 1120537152.

The previous prime is 3659770997. The next prime is 3659771039. The reversal of 3659770998 is 8990779563.

3659770998 is a `hidden beast` number, since 36 + 597 + 7 + 0 + 9 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659770993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5553193 + ... + 5553851.

It is an arithmetic number, because the mean of its divisors is an integer number (79532145).

Almost surely, 2^3659770998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3659770998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4453800120).

3659770998 is an abundant number, since it is smaller than the sum of its proper divisors (5247829242).

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

3659770998 is a wasteful number, since it uses less digits than its factorization.

3659770998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The square root of 3659770998 is about 60496.0411762621. The cubic root of 3659770998 is about 1541.0544021587.

The spelling of 3659770998 in words is "three billion, six hundred fifty-nine million, seven hundred seventy thousand, nine hundred ninety-eight".