83215382 has 4 divisors (see below), whose sum is σ = 124823076. Its totient is φ = 41607690.

The previous prime is 83215373. The next prime is 83215399. The reversal of 83215382 is 28351238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28351238 = 2 ⋅14175619.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20803844 + ... + 20803847.

It is an arithmetic number, because the mean of its divisors is an integer number (31205769).

Almost surely, 2^83215382 is an apocalyptic number.

83215382 is a deficient number, since it is larger than the sum of its proper divisors (41607694).

83215382 is a wasteful number, since it uses less digits than its factorization.

83215382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41607693.

The product of its digits is 11520, while the sum is 32.

The square root of 83215382 is about 9122.2465434782. The cubic root of 83215382 is about 436.5840551008.

The spelling of 83215382 in words is "eighty-three million, two hundred fifteen thousand, three hundred eighty-two".