28741488 has 40 divisors (see below), whose sum is σ = 75026448. Its totient is φ = 9480192.

The previous prime is 28741483. The next prime is 28741499. The reversal of 28741488 is 88414782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28741481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570 + ... + 7742.

Almost surely, 2^28741488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28741488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37513224).

28741488 is an abundant number, since it is smaller than the sum of its proper divisors (46284960).

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

28741488 is a wasteful number, since it uses less digits than its factorization.

28741488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281 (or 6275 counting only the distinct ones).

The product of its digits is 114688, while the sum is 42.

The square root of 28741488 is about 5361.1088405292. The cubic root of 28741488 is about 306.3160475069.

The spelling of 28741488 in words is "twenty-eight million, seven hundred forty-one thousand, four hundred eighty-eight".