82643346 has 12 divisors (see below), whose sum is σ = 179060622. Its totient is φ = 27547776.

The previous prime is 82643339. The next prime is 82643371. The reversal of 82643346 is 64334628.

It is a happy number.

82643346 is a `hidden beast` number, since 8 + 2 + 643 + 3 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79014321 + 3629025 = 8889^2 + 1905^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82643346.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2295631 + ... + 2295666.

Almost surely, 2^82643346 is an apocalyptic number.

82643346 is an abundant number, since it is smaller than the sum of its proper divisors (96417276).

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

82643346 is a wasteful number, since it uses less digits than its factorization.

82643346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591305 (or 4591302 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 82643346 is about 9090.8385751811. The cubic root of 82643346 is about 435.5813708967.

The spelling of 82643346 in words is "eighty-two million, six hundred forty-three thousand, three hundred forty-six".