83438798 has 4 divisors (see below), whose sum is σ = 125158200. Its totient is φ = 41719398.

The previous prime is 83438753. The next prime is 83438809. The reversal of 83438798 is 89783438.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20859698 + ... + 20859701.

It is an arithmetic number, because the mean of its divisors is an integer number (31289550).

Almost surely, 2^83438798 is an apocalyptic number.

83438798 is a deficient number, since it is larger than the sum of its proper divisors (41719402).

83438798 is a wasteful number, since it uses less digits than its factorization.

83438798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41719401.

The product of its digits is 1161216, while the sum is 50.

The square root of 83438798 is about 9134.4840029418. The cubic root of 83438798 is about 436.9744184345.

The spelling of 83438798 in words is "eighty-three million, four hundred thirty-eight thousand, seven hundred ninety-eight".