808029998 has 4 divisors (see below), whose sum is σ = 1212045000. Its totient is φ = 404014998.

The previous prime is 808029991. The next prime is 808030033. The reversal of 808029998 is 899920808.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808029991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202007498 + ... + 202007501.

It is an arithmetic number, because the mean of its divisors is an integer number (303011250).

Almost surely, 2^808029998 is an apocalyptic number.

808029998 is a deficient number, since it is larger than the sum of its proper divisors (404015002).

808029998 is a wasteful number, since it uses less digits than its factorization.

808029998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404015001.

The product of its (nonzero) digits is 746496, while the sum is 53.

The square root of 808029998 is about 28425.8684651850. The cubic root of 808029998 is about 931.4134279009.

The spelling of 808029998 in words is "eight hundred eight million, twenty-nine thousand, nine hundred ninety-eight".