82332405 has 12 divisors (see below), whose sum is σ = 142709580. Its totient is φ = 43910592.

The previous prime is 82332403. The next prime is 82332409. The reversal of 82332405 is 50423328.

It can be written as a sum of positive squares in 2 ways, for example, as 50893956 + 31438449 = 7134^2 + 5607^2 .

It is not a de Polignac number, because 82332405 - 2¹ = 82332403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82332403) 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, 914760 + ... + 914849.

It is an arithmetic number, because the mean of its divisors is an integer number (11892465).

Almost surely, 2^82332405 is an apocalyptic number.

It is an amenable number.

82332405 is a deficient number, since it is larger than the sum of its proper divisors (60377175).

82332405 is a wasteful number, since it uses less digits than its factorization.

82332405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829620 (or 1829617 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 82332405 is about 9073.7205709676. The cubic root of 82332405 is about 435.0344007674.

The spelling of 82332405 in words is "eighty-two million, three hundred thirty-two thousand, four hundred five".