82352280 has 32 divisors (see below), whose sum is σ = 247057200. Its totient is φ = 21960576.

The previous prime is 82352243. The next prime is 82352287. The reversal of 82352280 is 8225328.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82352287) 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 in 7 ways as a sum of consecutive naturals, for example, 343015 + ... + 343254.

Almost surely, 2^82352280 is an apocalyptic number.

It is an amenable number.

82352280 is an abundant number, since it is smaller than the sum of its proper divisors (164704920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82352280 is a wasteful number, since it uses less digits than its factorization.

82352280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686283 (or 686279 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 82352280 is about 9074.8157006079. The cubic root of 82352280 is about 435.0694036441.

The spelling of 82352280 in words is "eighty-two million, three hundred fifty-two thousand, two hundred eighty".