83671898 has 8 divisors (see below), whose sum is σ = 128569140. Its totient is φ = 40815520.

The previous prime is 83671897. The next prime is 83671901. The reversal of 83671898 is 89817638.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82937449 + 734449 = 9107^2 + 857^2 .

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

It is not an unprimeable number, because it can be changed into a prime (83671897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510113 + ... + 510276.

Almost surely, 2^83671898 is an apocalyptic number.

83671898 is a deficient number, since it is larger than the sum of its proper divisors (44897242).

83671898 is a wasteful number, since it uses less digits than its factorization.

83671898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020432.

The product of its digits is 580608, while the sum is 50.

The square root of 83671898 is about 9147.2344454485. The cubic root of 83671898 is about 437.3809600486.

The spelling of 83671898 in words is "eighty-three million, six hundred seventy-one thousand, eight hundred ninety-eight".