8398363658 has 32 divisors (see below), whose sum is σ = 13480629120. Its totient is φ = 3914352640.

The previous prime is 8398363627. The next prime is 8398363697. The reversal of 8398363658 is 8563638938.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8398363597 and 8398363606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293433 + ... + 2297091.

It is an arithmetic number, because the mean of its divisors is an integer number (421269660).

Almost surely, 2^8398363658 is an apocalyptic number.

8398363658 is a deficient number, since it is larger than the sum of its proper divisors (5082265462).

8398363658 is a wasteful number, since it uses less digits than its factorization.

8398363658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942.

The product of its digits is 22394880, while the sum is 59.

The square root of 8398363658 is about 91642.5864868512. The cubic root of 8398363658 is about 2032.6607072761.

The spelling of 8398363658 in words is "eight billion, three hundred ninety-eight million, three hundred sixty-three thousand, six hundred fifty-eight".