82291366 has 8 divisors (see below), whose sum is σ = 124659504. Its totient is φ = 40738200.

The previous prime is 82291361. The next prime is 82291369. The reversal of 82291366 is 66319228.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82291361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203490 + ... + 203893.

It is an arithmetic number, because the mean of its divisors is an integer number (15582438).

Almost surely, 2^82291366 is an apocalyptic number.

82291366 is a deficient number, since it is larger than the sum of its proper divisors (42368138).

82291366 is a wasteful number, since it uses less digits than its factorization.

82291366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407486.

The product of its digits is 31104, while the sum is 37.

The square root of 82291366 is about 9071.4588683409. The cubic root of 82291366 is about 434.9621070617.

The spelling of 82291366 in words is "eighty-two million, two hundred ninety-one thousand, three hundred sixty-six".