82398850 has 12 divisors (see below), whose sum is σ = 153261954. Its totient is φ = 32959520.

The previous prime is 82398829. The next prime is 82398851. The reversal of 82398850 is 5889328.

It can be written as a sum of positive squares in 3 ways, for example, as 61449921 + 20948929 = 7839^2 + 4577^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82398797 and 82398806.

It is not an unprimeable number, because it can be changed into a prime (82398851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 823939 + ... + 824038.

Almost surely, 2^82398850 is an apocalyptic number.

82398850 is a deficient number, since it is larger than the sum of its proper divisors (70863104).

82398850 is a wasteful number, since it uses less digits than its factorization.

82398850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647989 (or 1647984 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 82398850 is about 9077.3812302888. The cubic root of 82398850 is about 435.1513983952.

The spelling of 82398850 in words is "eighty-two million, three hundred ninety-eight thousand, eight hundred fifty".