28754208 has 144 divisors (see below), whose sum is σ = 99066240. Its totient is φ = 7723008.

The previous prime is 28754153. The next prime is 28754213. The reversal of 28754208 is 80245782.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33853 + ... + 34691.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^28754208 is an apocalyptic number.

28754208 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 28754208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49533120).

28754208 is an abundant number, since it is smaller than the sum of its proper divisors (70312032).

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

28754208 is a wasteful number, since it uses less digits than its factorization.

28754208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 28754208 is about 5362.2950310478. The cubic root of 28754208 is about 306.3612291791.

The spelling of 28754208 in words is "twenty-eight million, seven hundred fifty-four thousand, two hundred eight".