82413831 has 8 divisors (see below), whose sum is σ = 110012544. Its totient is φ = 54878840.

The previous prime is 82413829. The next prime is 82413869. The reversal of 82413831 is 13831428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82413831 - 2¹ = 82413829 is a prime.

It is a super-2 number, since 2×82413831² = 13584079080193122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82413631) 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, 12825 + ... + 18146.

It is an arithmetic number, because the mean of its divisors is an integer number (13751568).

Almost surely, 2^82413831 is an apocalyptic number.

82413831 is a deficient number, since it is larger than the sum of its proper divisors (27598713).

82413831 is a wasteful number, since it uses less digits than its factorization.

82413831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31861.

The product of its digits is 4608, while the sum is 30.

The square root of 82413831 is about 9078.2063757110. The cubic root of 82413831 is about 435.1777685370.

The spelling of 82413831 in words is "eighty-two million, four hundred thirteen thousand, eight hundred thirty-one".