32028890 has 16 divisors (see below), whose sum is σ = 59512320. Its totient is φ = 12398160.

The previous prime is 32028869. The next prime is 32028923. The reversal of 32028890 is 9882023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51350 + ... + 51969.

It is an arithmetic number, because the mean of its divisors is an integer number (3719520).

Almost surely, 2^32028890 is an apocalyptic number.

32028890 is a deficient number, since it is larger than the sum of its proper divisors (27483430).

32028890 is a wasteful number, since it uses less digits than its factorization.

32028890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103357.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 32028890 is about 5659.4072127741. The cubic root of 32028890 is about 317.5757233568.

The spelling of 32028890 in words is "thirty-two million, twenty-eight thousand, eight hundred ninety".