82836420 has 24 divisors (see below), whose sum is σ = 231942144. Its totient is φ = 22089696.

The previous prime is 82836373. The next prime is 82836443. The reversal of 82836420 is 2463828.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690244 + ... + 690363.

It is an arithmetic number, because the mean of its divisors is an integer number (9664256).

Almost surely, 2^82836420 is an apocalyptic number.

It is an amenable number.

82836420 is an abundant number, since it is smaller than the sum of its proper divisors (149105724).

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

82836420 is a wasteful number, since it uses less digits than its factorization.

82836420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380619 (or 1380617 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 82836420 is about 9101.4515325853. The cubic root of 82836420 is about 435.9203134114.

The spelling of 82836420 in words is "eighty-two million, eight hundred thirty-six thousand, four hundred twenty".