83890898 has 32 divisors (see below), whose sum is σ = 159882240. Its totient is φ = 32114880.

The previous prime is 83890883. The next prime is 83890907. The reversal of 83890898 is 89809838.

It is a Curzon number.

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, 1793 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (4996320).

Almost surely, 2^83890898 is an apocalyptic number.

83890898 is a deficient number, since it is larger than the sum of its proper divisors (75991342).

83890898 is a wasteful number, since it uses less digits than its factorization.

83890898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14922.

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 83890898 is about 9159.1974539258. The cubic root of 83890898 is about 437.7622229913.

The spelling of 83890898 in words is "eighty-three million, eight hundred ninety thousand, eight hundred ninety-eight".