30826528 has 36 divisors (see below), whose sum is σ = 62253198. Its totient is φ = 15025920.

The previous prime is 30826519. The next prime is 30826529. The reversal of 30826528 is 82562803.

It can be written as a sum of positive squares in only one way, i.e., 28430224 + 2396304 = 5332^2 + 1548^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30826493 and 30826502.

It is not an unprimeable number, because it can be changed into a prime (30826529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58908 + ... + 59428.

Almost surely, 2^30826528 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 30826528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31126599).

30826528 is an abundant number, since it is smaller than the sum of its proper divisors (31426670).

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

30826528 is an equidigital number, since it uses as much as digits as its factorization.

30826528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 30826528 is about 5552.1642626997. The cubic root of 30826528 is about 313.5510101524.

The spelling of 30826528 in words is "thirty million, eight hundred twenty-six thousand, five hundred twenty-eight".