82632381 has 24 divisors (see below), whose sum is σ = 119901600. Its totient is φ = 50596416.

The previous prime is 82632367. The next prime is 82632383. The reversal of 82632381 is 18323628.

It is not a de Polignac number, because 82632381 - 2⁹ = 82631869 is a prime.

It is a super-2 number, since 2×82632381² = 13656220779458322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82632383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176710 + ... + 177176.

It is an arithmetic number, because the mean of its divisors is an integer number (4995900).

Almost surely, 2^82632381 is an apocalyptic number.

It is an amenable number.

82632381 is a deficient number, since it is larger than the sum of its proper divisors (37269219).

82632381 is a wasteful number, since it uses less digits than its factorization.

82632381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 832 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 82632381 is about 9090.2354754979. The cubic root of 82632381 is about 435.5621059419.

The spelling of 82632381 in words is "eighty-two million, six hundred thirty-two thousand, three hundred eighty-one".