83398946 has 4 divisors (see below), whose sum is σ = 125098422. Its totient is φ = 41699472.

The previous prime is 83398921. The next prime is 83398949. The reversal of 83398946 is 64989338.

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., 69072721 + 14326225 = 8311^2 + 3785^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83398894 and 83398903.

It is not an unprimeable number, because it can be changed into a prime (83398949) by changing a digit.

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, 20849735 + ... + 20849738.

Almost surely, 2^83398946 is an apocalyptic number.

83398946 is a deficient number, since it is larger than the sum of its proper divisors (41699476).

83398946 is a wasteful number, since it uses less digits than its factorization.

83398946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41699475.

The product of its digits is 1119744, while the sum is 50.

The square root of 83398946 is about 9132.3023384030. The cubic root of 83398946 is about 436.9048381827.

The spelling of 83398946 in words is "eighty-three million, three hundred ninety-eight thousand, nine hundred forty-six".