82937439 has 40 divisors (see below), whose sum is σ = 135248960. Its totient is φ = 50341824.

The previous prime is 82937389. The next prime is 82937447. The reversal of 82937439 is 93473928.

It is a happy number.

It is not a de Polignac number, because 82937439 - 2⁹ = 82936927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82937394 and 82937403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82937479) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82689 + ... + 83685.

It is an arithmetic number, because the mean of its divisors is an integer number (3381224).

It is a vampire number, since it can be written as 8973 ⋅ 9243 (with its own digits).

Almost surely, 2^82937439 is an apocalyptic number.

82937439 is a deficient number, since it is larger than the sum of its proper divisors (52311521).

82937439 is a wasteful number, since it uses less digits than its factorization.

82937439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1092 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 82937439 is about 9106.9994509718. Note that the first 3 decimals coincide. The cubic root of 82937439 is about 436.0974430103.

The spelling of 82937439 in words is "eighty-two million, nine hundred thirty-seven thousand, four hundred thirty-nine".