28635488 has 24 divisors (see below), whose sum is σ = 64430352. Its totient is φ = 12272256.

The previous prime is 28635487. The next prime is 28635493. The reversal of 28635488 is 88453682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28635487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63695 + ... + 64142.

It is an arithmetic number, because the mean of its divisors is an integer number (2684598).

Almost surely, 2^28635488 is an apocalyptic number.

28635488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28635488 is an abundant number, since it is smaller than the sum of its proper divisors (35794864).

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

28635488 is a wasteful number, since it uses less digits than its factorization.

28635488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127854 (or 127846 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 28635488 is about 5351.2136941072. The cubic root of 28635488 is about 305.9390141467.

It can be divided in two parts, 286354 and 88, that multiplied together give a palindrome (25199152).

The spelling of 28635488 in words is "twenty-eight million, six hundred thirty-five thousand, four hundred eighty-eight".