32628255 has 24 divisors (see below), whose sum is σ = 57385776. Its totient is φ = 15818880.

The previous prime is 32628247. The next prime is 32628257. The reversal of 32628255 is 55282623.

It is not a de Polignac number, because 32628255 - 2³ = 32628247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32628257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7174 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (2391074).

Almost surely, 2^32628255 is an apocalyptic number.

32628255 is a deficient number, since it is larger than the sum of its proper divisors (24757521).

32628255 is a wasteful number, since it uses less digits than its factorization.

32628255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18007 (or 17996 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 32628255 is about 5712.1147572506. The cubic root of 32628255 is about 319.5444527088.

The spelling of 32628255 in words is "thirty-two million, six hundred twenty-eight thousand, two hundred fifty-five".