82388942 has 16 divisors (see below), whose sum is σ = 129470400. Its totient is φ = 39268320.

The previous prime is 82388939. The next prime is 82388947. The reversal of 82388942 is 24988328.

It is a junction number, because it is equal to n+sod(n) for n = 82388893 and 82388902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82388947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4409 + ... + 13572.

It is an arithmetic number, because the mean of its divisors is an integer number (8091900).

Almost surely, 2^82388942 is an apocalyptic number.

82388942 is a deficient number, since it is larger than the sum of its proper divisors (47081458).

82388942 is a wasteful number, since it uses less digits than its factorization.

82388942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18091.

The product of its digits is 221184, while the sum is 44.

The square root of 82388942 is about 9076.8354617675. The cubic root of 82388942 is about 435.1339561903.

The spelling of 82388942 in words is "eighty-two million, three hundred eighty-eight thousand, nine hundred forty-two".