28325955 has 32 divisors (see below), whose sum is σ = 52328448. Its totient is φ = 12816000.

The previous prime is 28325951. The next prime is 28325981. The reversal of 28325955 is 55952382.

It is not a de Polignac number, because 28325955 - 2² = 28325951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28325951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9270 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (1635264).

Almost surely, 2^28325955 is an apocalyptic number.

28325955 is a deficient number, since it is larger than the sum of its proper divisors (24002493).

28325955 is a wasteful number, since it uses less digits than its factorization.

28325955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its digits is 108000, while the sum is 39.

The square root of 28325955 is about 5322.2133553626. The cubic root of 28325955 is about 304.8326771925.

The spelling of 28325955 in words is "twenty-eight million, three hundred twenty-five thousand, nine hundred fifty-five".