82881846 has 32 divisors (see below), whose sum is σ = 185436000. Its totient is φ = 27439200.

The previous prime is 82881809. The next prime is 82881847. The reversal of 82881846 is 64818828.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82881847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896 + ... + 13196.

It is an arithmetic number, because the mean of its divisors is an integer number (5794875).

Almost surely, 2^82881846 is an apocalyptic number.

82881846 is an abundant number, since it is smaller than the sum of its proper divisors (102554154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82881846 is a wasteful number, since it uses less digits than its factorization.

82881846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10461 (or 10455 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The square root of 82881846 is about 9103.9467265577. The cubic root of 82881846 is about 435.9999824650. Note that the first 4 decimals are identical.

The spelling of 82881846 in words is "eighty-two million, eight hundred eighty-one thousand, eight hundred forty-six".