3601989600 has 576 divisors, whose sum is σ = 13859112960. Its totient is φ = 803174400.

The previous prime is 3601989583. The next prime is 3601989641. The reversal of 3601989600 is 69891063.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21568717 + ... + 21568883.

It is an arithmetic number, because the mean of its divisors is an integer number (24060960).

Almost surely, 2^3601989600 is an apocalyptic number.

3601989600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3601989600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6929556480).

3601989600 is an abundant number, since it is smaller than the sum of its proper divisors (10257123360).

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

3601989600 is a wasteful number, since it uses less digits than its factorization.

3601989600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 3601989600 is about 60016.5777098295. The cubic root of 3601989600 is about 1532.9011552424.

The spelling of 3601989600 in words is "three billion, six hundred one million, nine hundred eighty-nine thousand, six hundred".