82285438 has 8 divisors (see below), whose sum is σ = 126054432. Its totient is φ = 40267296.

The previous prime is 82285429. The next prime is 82285451. The reversal of 82285438 is 83458228.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82285438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437595 + ... + 437782.

It is an arithmetic number, because the mean of its divisors is an integer number (15756804).

Almost surely, 2^82285438 is an apocalyptic number.

82285438 is a deficient number, since it is larger than the sum of its proper divisors (43768994).

82285438 is a wasteful number, since it uses less digits than its factorization.

82285438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875426.

The product of its digits is 122880, while the sum is 40.

The square root of 82285438 is about 9071.1321233901. The cubic root of 82285438 is about 434.9516623965.

The spelling of 82285438 in words is "eighty-two million, two hundred eighty-five thousand, four hundred thirty-eight".