8398440682 has 16 divisors (see below), whose sum is σ = 12897941760. Its totient is φ = 4099237632.

The previous prime is 8398440647. The next prime is 8398440689. The reversal of 8398440682 is 2860448938.

It is not an unprimeable number, because it can be changed into a prime (8398440689) 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, 129994 + ... + 183562.

It is an arithmetic number, because the mean of its divisors is an integer number (806121360).

Almost surely, 2^8398440682 is an apocalyptic number.

8398440682 is a deficient number, since it is larger than the sum of its proper divisors (4499501078).

8398440682 is a wasteful number, since it uses less digits than its factorization.

8398440682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55437.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The square root of 8398440682 is about 91643.0067271911. The cubic root of 8398440682 is about 2032.6669213112. Note that the first 3 decimals are identical.

The spelling of 8398440682 in words is "eight billion, three hundred ninety-eight million, four hundred forty thousand, six hundred eighty-two".