82297028 has 24 divisors (see below), whose sum is σ = 161361984. Its totient is φ = 36396000.

The previous prime is 82297027. The next prime is 82297043. The reversal of 82297028 is 82079228.

It is a junction number, because it is equal to n+sod(n) for n = 82296982 and 82297000.

It is not an unprimeable number, because it can be changed into a prime (82297027) 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, 23648 + ... + 26903.

It is an arithmetic number, because the mean of its divisors is an integer number (6723416).

Almost surely, 2^82297028 is an apocalyptic number.

It is an amenable number.

82297028 is a deficient number, since it is larger than the sum of its proper divisors (79064956).

82297028 is a wasteful number, since it uses less digits than its factorization.

82297028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50603 (or 50601 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 82297028 is about 9071.7709406708. The cubic root of 82297028 is about 434.9720825876.

The spelling of 82297028 in words is "eighty-two million, two hundred ninety-seven thousand, twenty-eight".