83198398 has 8 divisors (see below), whose sum is σ = 125545392. Its totient is φ = 41349936.

The previous prime is 83198363. The next prime is 83198399. The reversal of 83198398 is 89389138.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83198399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124215 + ... + 124882.

It is an arithmetic number, because the mean of its divisors is an integer number (15693174).

Almost surely, 2^83198398 is an apocalyptic number.

83198398 is a deficient number, since it is larger than the sum of its proper divisors (42346994).

83198398 is a wasteful number, since it uses less digits than its factorization.

83198398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249266.

The product of its digits is 373248, while the sum is 49.

The square root of 83198398 is about 9121.3155849362. The cubic root of 83198398 is about 436.5543512651.

The spelling of 83198398 in words is "eighty-three million, one hundred ninety-eight thousand, three hundred ninety-eight".