28902048 has 96 divisors (see below), whose sum is σ = 88905600. Its totient is φ = 8048640.

The previous prime is 28902047. The next prime is 28902061. The reversal of 28902048 is 84020982.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28902043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27028 + ... + 28076.

It is an arithmetic number, because the mean of its divisors is an integer number (926100).

Almost surely, 2^28902048 is an apocalyptic number.

28902048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28902048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44452800).

28902048 is an abundant number, since it is smaller than the sum of its proper divisors (60003552).

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

28902048 is a wasteful number, since it uses less digits than its factorization.

28902048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 28902048 is about 5376.0624996367. The cubic root of 28902048 is about 306.8853848234.

The spelling of 28902048 in words is "twenty-eight million, nine hundred two thousand, forty-eight".