28901248 has 32 divisors (see below), whose sum is σ = 60086160. Its totient is φ = 13820928.

The previous prime is 28901233. The next prime is 28901267. The reversal of 28901248 is 84210982.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 1965 + ... + 7852.

Almost surely, 2^28901248 is an apocalyptic number.

It is an amenable number.

28901248 is an abundant number, since it is smaller than the sum of its proper divisors (31184912).

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

28901248 is an equidigital number, since it uses as much as digits as its factorization.

28901248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854 (or 9842 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 28901248 is about 5375.9880952249. The cubic root of 28901248 is about 306.8825532989.

The spelling of 28901248 in words is "twenty-eight million, nine hundred one thousand, two hundred forty-eight".