32028090 has 32 divisors (see below), whose sum is σ = 77103360. Its totient is φ = 8514624.

The previous prime is 32028089. The next prime is 32028097. The reversal of 32028090 is 9082023.

It is a self number, because there is not a number n which added to its sum of digits gives 32028090.

It is not an unprimeable number, because it can be changed into a prime (32028097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9556 + ... + 12464.

It is an arithmetic number, because the mean of its divisors is an integer number (2409480).

Almost surely, 2^32028090 is an apocalyptic number.

32028090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32028090 is an abundant number, since it is smaller than the sum of its proper divisors (45075270).

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

32028090 is a wasteful number, since it uses less digits than its factorization.

32028090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 32028090 is about 5659.3365335523. The cubic root of 32028090 is about 317.5730792575.

The spelling of 32028090 in words is "thirty-two million, twenty-eight thousand, ninety".