82528946 has 4 divisors (see below), whose sum is σ = 123793422. Its totient is φ = 41264472.

The previous prime is 82528891. The next prime is 82528949. The reversal of 82528946 is 64982528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 9853321 = 8525^2 + 3139^2 .

It is a super-2 number, since 2×82528946² = 13622053855741832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82528897 and 82528906.

It is not an unprimeable number, because it can be changed into a prime (82528949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20632235 + ... + 20632238.

Almost surely, 2^82528946 is an apocalyptic number.

82528946 is a deficient number, since it is larger than the sum of its proper divisors (41264476).

82528946 is a wasteful number, since it uses less digits than its factorization.

82528946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41264475.

The product of its digits is 276480, while the sum is 44.

The square root of 82528946 is about 9084.5443474068. The cubic root of 82528946 is about 435.3802919159.

The spelling of 82528946 in words is "eighty-two million, five hundred twenty-eight thousand, nine hundred forty-six".