3601638228 has 24 divisors (see below), whose sum is σ = 8406868288. Its totient is φ = 1200110976.

The previous prime is 3601638221. The next prime is 3601638251. The reversal of 3601638228 is 8228361063.

3601638228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601638221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18976 + ... + 86967.

Almost surely, 2^3601638228 is an apocalyptic number.

It is an amenable number.

3601638228 is an abundant number, since it is smaller than the sum of its proper divisors (4805230060).

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

3601638228 is a wasteful number, since it uses less digits than its factorization.

3601638228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108783 (or 108781 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 3601638228 is about 60013.6503472335. The cubic root of 3601638228 is about 1532.8513090815.

The spelling of 3601638228 in words is "three billion, six hundred one million, six hundred thirty-eight thousand, two hundred twenty-eight".