8091898 has 8 divisors (see below), whose sum is σ = 12851892. Its totient is φ = 3807936.

The previous prime is 8091877. The next prime is 8091901. The reversal of 8091898 is 8981908.

It can be written as a sum of positive squares in 2 ways, for example, as 7912969 + 178929 = 2813^2 + 423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118965 + ... + 119032.

Almost surely, 2^8091898 is an apocalyptic number.

8091898 is a deficient number, since it is larger than the sum of its proper divisors (4759994).

8091898 is a wasteful number, since it uses less digits than its factorization.

8091898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238016.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 8091898 is about 2844.6261617302. The cubic root of 8091898 is about 200.7629028626.

The spelling of 8091898 in words is "eight million, ninety-one thousand, eight hundred ninety-eight".