32944428 has 72 divisors (see below), whose sum is σ = 93919280. Its totient is φ = 9979200.

The previous prime is 32944427. The next prime is 32944433. The reversal of 32944428 is 82444923.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 32944392 and 32944401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32944421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11808 + ... + 14328.

Almost surely, 2^32944428 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 32944428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46959640).

32944428 is an abundant number, since it is smaller than the sum of its proper divisors (60974852).

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

32944428 is a wasteful number, since it uses less digits than its factorization.

32944428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2537 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 32944428 is about 5739.7236867292. The cubic root of 32944428 is about 320.5732822434.

The spelling of 32944428 in words is "thirty-two million, nine hundred forty-four thousand, four hundred twenty-eight".