28988496 has 40 divisors (see below), whose sum is σ = 83208960. Its totient is φ = 9662688.

The previous prime is 28988489. The next prime is 28988507. The reversal of 28988496 is 69488982.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33120 + ... + 33983.

It is an arithmetic number, because the mean of its divisors is an integer number (2080224).

Almost surely, 2^28988496 is an apocalyptic number.

It is an amenable number.

28988496 is an abundant number, since it is smaller than the sum of its proper divisors (54220464).

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

28988496 is a wasteful number, since it uses less digits than its factorization.

28988496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67120 (or 67108 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 28988496 is about 5384.0965816003. The cubic root of 28988496 is about 307.1910519855.

The spelling of 28988496 in words is "twenty-eight million, nine hundred eighty-eight thousand, four hundred ninety-six".