83198042 has 16 divisors (see below), whose sum is σ = 129378600. Its totient is φ = 40078080.

The previous prime is 83198041. The next prime is 83198069. The reversal of 83198042 is 24089138.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28718881 + 54479161 = 5359^2 + 7381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83197993 and 83198011.

It is not an unprimeable number, because it can be changed into a prime (83198041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31742 + ... + 34262.

Almost surely, 2^83198042 is an apocalyptic number.

83198042 is a deficient number, since it is larger than the sum of its proper divisors (46180558).

83198042 is a wasteful number, since it uses less digits than its factorization.

83198042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 83198042 is about 9121.2960701865. The cubic root of 83198042 is about 436.5537286026.

It can be divided in two parts, 8319 and 8042, that added together give a palindrome (16361).

The spelling of 83198042 in words is "eighty-three million, one hundred ninety-eight thousand, forty-two".