3898731326 has 16 divisors (see below), whose sum is σ = 6684557184. Its totient is φ = 1670630424.

The previous prime is 3898731323. The next prime is 3898731373. The reversal of 3898731326 is 6231378983.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898731323) 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, 96581 + ... + 130863.

It is an arithmetic number, because the mean of its divisors is an integer number (417784824).

Almost surely, 2^3898731326 is an apocalyptic number.

3898731326 is a deficient number, since it is larger than the sum of its proper divisors (2785825858).

3898731326 is a wasteful number, since it uses less digits than its factorization.

3898731326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42415.

The product of its digits is 1306368, while the sum is 50.

The square root of 3898731326 is about 62439.8216365165. The cubic root of 3898731326 is about 1573.8902169103.

The spelling of 3898731326 in words is "three billion, eight hundred ninety-eight million, seven hundred thirty-one thousand, three hundred twenty-six".