82529388 has 96 divisors (see below), whose sum is σ = 231526400. Its totient is φ = 25334208.

The previous prime is 82529371. The next prime is 82529393. The reversal of 82529388 is 88392528.

It is a super-2 number, since 2×82529388² = 13622199767309088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75381 + ... + 76467.

Almost surely, 2^82529388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82529388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115763200).

82529388 is an abundant number, since it is smaller than the sum of its proper divisors (148997012).

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

82529388 is a wasteful number, since it uses less digits than its factorization.

82529388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1148 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 82529388 is about 9084.5686744061. The cubic root of 82529388 is about 435.3810691695.

The spelling of 82529388 in words is "eighty-two million, five hundred twenty-nine thousand, three hundred eighty-eight".