3798645321 has 16 divisors (see below), whose sum is σ = 5153353920. Its totient is φ = 2488227840.

The previous prime is 3798645299. The next prime is 3798645353. The reversal of 3798645321 is 1235468973.

3798645321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3798645321 - 2⁵ = 3798645289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3798646321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441961 + ... + 450473.

It is an arithmetic number, because the mean of its divisors is an integer number (322084620).

Almost surely, 2^3798645321 is an apocalyptic number.

It is an amenable number.

3798645321 is a deficient number, since it is larger than the sum of its proper divisors (1354708599).

3798645321 is a wasteful number, since it uses less digits than its factorization.

3798645321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11096.

The product of its digits is 1088640, while the sum is 48.

The square root of 3798645321 is about 61633.1511526062. The cubic root of 3798645321 is about 1560.3052932250.

The spelling of 3798645321 in words is "three billion, seven hundred ninety-eight million, six hundred forty-five thousand, three hundred twenty-one".