32649828 has 48 divisors (see below), whose sum is σ = 81144000. Its totient is φ = 10188288.

The previous prime is 32649791. The next prime is 32649839. The reversal of 32649828 is 82894623.

It is a super-2 number, since 2×32649828² = 2132022536859168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32649828.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19488 + ... + 21096.

It is an arithmetic number, because the mean of its divisors is an integer number (1690500).

Almost surely, 2^32649828 is an apocalyptic number.

32649828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32649828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40572000).

32649828 is an abundant number, since it is smaller than the sum of its proper divisors (48494172).

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

32649828 is a wasteful number, since it uses less digits than its factorization.

32649828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724 (or 1722 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 32649828 is about 5714.0028001393. The cubic root of 32649828 is about 319.6148621720.

The spelling of 32649828 in words is "thirty-two million, six hundred forty-nine thousand, eight hundred twenty-eight".