82361439 has 12 divisors (see below), whose sum is σ = 120194256. Its totient is φ = 54340992.

The previous prime is 82361387. The next prime is 82361441. The reversal of 82361439 is 93416328.

82361439 is a `hidden beast` number, since 8 + 2 + 3 + 614 + 39 = 666.

It is not a de Polignac number, because 82361439 - 2¹³ = 82353247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82361639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46299 + ... + 48044.

It is an arithmetic number, because the mean of its divisors is an integer number (10016188).

Almost surely, 2^82361439 is an apocalyptic number.

82361439 is a deficient number, since it is larger than the sum of its proper divisors (37832817).

82361439 is a wasteful number, since it uses less digits than its factorization.

82361439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94446 (or 94443 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 82361439 is about 9075.3203249252. The cubic root of 82361439 is about 435.0855321308.

The spelling of 82361439 in words is "eighty-two million, three hundred sixty-one thousand, four hundred thirty-nine".