28535748 has 48 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 9079200.

The previous prime is 28535737. The next prime is 28535807. The reversal of 28535748 is 84753582.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28903 + ... + 29873.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^28535748 is an apocalyptic number.

It is an amenable number.

28535748 is an abundant number, since it is smaller than the sum of its proper divisors (41137212).

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

28535748 is a wasteful number, since it uses less digits than its factorization.

28535748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1086 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 28535748 is about 5341.8861837370. The cubic root of 28535748 is about 305.5833965057.

It can be divided in two parts, 2853574 and 8, that added together give a palindrome (2853582).

The spelling of 28535748 in words is "twenty-eight million, five hundred thirty-five thousand, seven hundred forty-eight".