3634989072 has 240 divisors, whose sum is σ = 11481598464. Its totient is φ = 983347200.

The previous prime is 3634989053. The next prime is 3634989073. The reversal of 3634989072 is 2709894363.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3634989073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2339848 + ... + 2341400.

Almost surely, 2^3634989072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3634989072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5740799232).

3634989072 is an abundant number, since it is smaller than the sum of its proper divisors (7846609392).

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

3634989072 is a wasteful number, since it uses less digits than its factorization.

3634989072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 3634989072 is about 60290.8705526799. The cubic root of 3634989072 is about 1537.5681345706.

The spelling of 3634989072 in words is "three billion, six hundred thirty-four million, nine hundred eighty-nine thousand, seventy-two".