28557482 has 8 divisors (see below), whose sum is σ = 43747776. Its totient is φ = 13974892.

The previous prime is 28557469. The next prime is 28557491. The reversal of 28557482 is 28475582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151808 + ... + 151995.

It is an arithmetic number, because the mean of its divisors is an integer number (5468472).

Almost surely, 2^28557482 is an apocalyptic number.

28557482 is a deficient number, since it is larger than the sum of its proper divisors (15190294).

28557482 is a wasteful number, since it uses less digits than its factorization.

28557482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303852.

The product of its digits is 179200, while the sum is 41.

The square root of 28557482 is about 5343.9200967080. The cubic root of 28557482 is about 305.6609584477.

The spelling of 28557482 in words is "twenty-eight million, five hundred fifty-seven thousand, four hundred eighty-two".