3834438320 has 40 divisors (see below), whose sum is σ = 9066183120. Its totient is φ = 1507777280.

The previous prime is 3834438313. The next prime is 3834438323. The reversal of 3834438320 is 238344383.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3834438323) 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, 401471 + ... + 410910.

It is an arithmetic number, because the mean of its divisors is an integer number (226654578).

Almost surely, 2^3834438320 is an apocalyptic number.

It is an amenable number.

3834438320 is an abundant number, since it is smaller than the sum of its proper divisors (5231744800).

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

3834438320 is a wasteful number, since it uses less digits than its factorization.

3834438320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812453 (or 812447 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 3834438320 is about 61922.8416660605. The cubic root of 3834438320 is about 1565.1906758663.

The spelling of 3834438320 in words is "three billion, eight hundred thirty-four million, four hundred thirty-eight thousand, three hundred twenty".