3768609321 has 45 divisors (see below), whose sum is σ = 5958139341. Its totient is φ = 2373544296.

The previous prime is 3768609253. The next prime is 3768609323. The reversal of 3768609321 is 1239068673.

The square root of 3768609321 is 61389.

It is a perfect power (a square), and thus also a powerful number.

3768609321 is a `hidden beast` number, since 3 + 7 + 6 + 8 + 609 + 32 + 1 = 666.

It is not a de Polignac number, because 3768609321 - 2²⁵ = 3735054889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3768609323) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10497340 + ... + 10497698.

Almost surely, 2^3768609321 is an apocalyptic number.

3768609321 is the 61389-th square number.

3768609321 is the 30695-th centered octagonal number.

It is an amenable number.

3768609321 is a deficient number, since it is larger than the sum of its proper divisors (2189530020).

3768609321 is an frugal number, since it uses more digits than its factorization.

3768609321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The cubic root of 3768609321 is about 1556.1819463346.

It can be divided in two parts, 3768 and 609321, that added together give a square (613089 = 783²).

The spelling of 3768609321 in words is "three billion, seven hundred sixty-eight million, six hundred nine thousand, three hundred twenty-one".