28418088 has 32 divisors (see below), whose sum is σ = 71228160. Its totient is φ = 9448320.

The previous prime is 28418077. The next prime is 28418107. The reversal of 28418088 is 88081482.

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, 9673 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (2225880).

Almost surely, 2^28418088 is an apocalyptic number.

It is an amenable number.

28418088 is an abundant number, since it is smaller than the sum of its proper divisors (42810072).

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

28418088 is a wasteful number, since it uses less digits than its factorization.

28418088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 28418088 is about 5330.8618440173. The cubic root of 28418088 is about 305.1628190952.

The spelling of 28418088 in words is "twenty-eight million, four hundred eighteen thousand, eighty-eight".