82840698 has 32 divisors (see below), whose sum is σ = 184662720. Its totient is φ = 27527760.

The previous prime is 82840697. The next prime is 82840717. The reversal of 82840698 is 89604828.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82840697) 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, 16528 + ... + 20948.

It is an arithmetic number, because the mean of its divisors is an integer number (5770710).

Almost surely, 2^82840698 is an apocalyptic number.

82840698 is an abundant number, since it is smaller than the sum of its proper divisors (101822022).

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

82840698 is a wasteful number, since it uses less digits than its factorization.

82840698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779 (or 4773 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 82840698 is about 9101.6865470087. The cubic root of 82840698 is about 435.9278174980.

It can be divided in two parts, 82840 and 698, that added together give a palindrome (83538).

The spelling of 82840698 in words is "eighty-two million, eight hundred forty thousand, six hundred ninety-eight".