82972338 has 8 divisors (see below), whose sum is σ = 165944688. Its totient is φ = 27657444.

The previous prime is 82972333. The next prime is 82972363. The reversal of 82972338 is 83327928.

It is a sphenic number, since it is the product of 3 distinct primes.

82972338 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 82972338.

It is not an unprimeable number, because it can be changed into a prime (82972333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6914356 + ... + 6914367.

It is an arithmetic number, because the mean of its divisors is an integer number (20743086).

Almost surely, 2^82972338 is an apocalyptic number.

82972338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82972338 is a wasteful number, since it uses less digits than its factorization.

82972338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13828728.

The product of its digits is 145152, while the sum is 42.

The square root of 82972338 is about 9108.9153031522. The cubic root of 82972338 is about 436.1586024844.

The spelling of 82972338 in words is "eighty-two million, nine hundred seventy-two thousand, three hundred thirty-eight".