3896238394 has 8 divisors (see below), whose sum is σ = 5854851828. Its totient is φ = 1944621120.

The previous prime is 3896238319. The next prime is 3896238397. The reversal of 3896238394 is 4938326983.

It can be written as a sum of positive squares in 2 ways, for example, as 3892137769 + 4100625 = 62387^2 + 2025^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3896238397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1747647 + ... + 1749874.

Almost surely, 2^3896238394 is an apocalyptic number.

3896238394 is a deficient number, since it is larger than the sum of its proper divisors (1958613434).

3896238394 is a wasteful number, since it uses less digits than its factorization.

3896238394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498080.

The product of its digits is 6718464, while the sum is 55.

The square root of 3896238394 is about 62419.8557672156. The cubic root of 3896238394 is about 1573.5546857222.

The spelling of 3896238394 in words is "three billion, eight hundred ninety-six million, two hundred thirty-eight thousand, three hundred ninety-four".