83431498 has 4 divisors (see below), whose sum is σ = 125147250. Its totient is φ = 41715748.

The previous prime is 83431483. The next prime is 83431531. The reversal of 83431498 is 89413438.

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

It can be written as a sum of positive squares in only one way, i.e., 68508729 + 14922769 = 8277^2 + 3863^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 83431498.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20857873 + ... + 20857876.

Almost surely, 2^83431498 is an apocalyptic number.

83431498 is a deficient number, since it is larger than the sum of its proper divisors (41715752).

83431498 is a wasteful number, since it uses less digits than its factorization.

83431498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41715751.

The product of its digits is 82944, while the sum is 40.

The square root of 83431498 is about 9134.0844095071. The cubic root of 83431498 is about 436.9616745378.

The spelling of 83431498 in words is "eighty-three million, four hundred thirty-one thousand, four hundred ninety-eight".