82890952 has 16 divisors (see below), whose sum is σ = 159621660. Its totient is φ = 40325184.

The previous prime is 82890943. The next prime is 82890953. The reversal of 82890952 is 25909828.

It can be written as a sum of positive squares in 2 ways, for example, as 56942116 + 25948836 = 7546^2 + 5094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82890899 and 82890908.

It is not an unprimeable number, because it can be changed into a prime (82890953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139723 + ... + 140314.

Almost surely, 2^82890952 is an apocalyptic number.

It is an amenable number.

82890952 is a deficient number, since it is larger than the sum of its proper divisors (76730708).

82890952 is a wasteful number, since it uses less digits than its factorization.

82890952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280080 (or 280076 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 82890952 is about 9104.4468255902. The cubic root of 82890952 is about 436.0159492524.

The spelling of 82890952 in words is "eighty-two million, eight hundred ninety thousand, nine hundred fifty-two".