3840857338 has 8 divisors (see below), whose sum is σ = 5761579860. Its totient is φ = 1920330720.

The previous prime is 3840857333. The next prime is 3840857369. The reversal of 3840857338 is 8337580483.

It can be written as a sum of positive squares in 2 ways, for example, as 3794929609 + 45927729 = 61603^2 + 6777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3840857291 and 3840857300.

It is not an unprimeable number, because it can be changed into a prime (3840857333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18798 + ... + 89638.

Almost surely, 2^3840857338 is an apocalyptic number.

3840857338 is a deficient number, since it is larger than the sum of its proper divisors (1920722522).

3840857338 is a wasteful number, since it uses less digits than its factorization.

3840857338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97952.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 3840857338 is about 61974.6507694880. The cubic root of 3840857338 is about 1566.0635882397.

The spelling of 3840857338 in words is "three billion, eight hundred forty million, eight hundred fifty-seven thousand, three hundred thirty-eight".