82849620 has 48 divisors (see below), whose sum is σ = 265120128. Its totient is φ = 18936960.

The previous prime is 82849603. The next prime is 82849621. The reversal of 82849620 is 2694828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82849621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98211 + ... + 99050.

It is an arithmetic number, because the mean of its divisors is an integer number (5523336).

Almost surely, 2^82849620 is an apocalyptic number.

It is an amenable number.

82849620 is an abundant number, since it is smaller than the sum of its proper divisors (182270508).

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

82849620 is a wasteful number, since it uses less digits than its factorization.

82849620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197280 (or 197278 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 82849620 is about 9102.1766627549. The cubic root of 82849620 is about 435.9434668445.

The spelling of 82849620 in words is "eighty-two million, eight hundred forty-nine thousand, six hundred twenty".