806843998 has 16 divisors (see below), whose sum is σ = 1233792000. Its totient is φ = 395613592.

The previous prime is 806843977. The next prime is 806844001. The reversal of 806843998 is 899348608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41283 + ... + 57601.

It is an arithmetic number, because the mean of its divisors is an integer number (77112000).

Almost surely, 2^806843998 is an apocalyptic number.

806843998 is a deficient number, since it is larger than the sum of its proper divisors (426948002).

806843998 is a wasteful number, since it uses less digits than its factorization.

806843998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16799.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 806843998 is about 28404.9995247316. Note that the first 3 decimals coincide. The cubic root of 806843998 is about 930.9575053779.

The spelling of 806843998 in words is "eight hundred six million, eight hundred forty-three thousand, nine hundred ninety-eight".