28948488 has 16 divisors (see below), whose sum is σ = 72371280. Its totient is φ = 9649488.

The previous prime is 28948483. The next prime is 28948499. The reversal of 28948488 is 88484982.

It is a super-2 number, since 2×28948488² = 1676029914972288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28948488.

It is not an unprimeable number, because it can be changed into a prime (28948483) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 603070 + ... + 603117.

It is an arithmetic number, because the mean of its divisors is an integer number (4523205).

Almost surely, 2^28948488 is an apocalyptic number.

It is an amenable number.

28948488 is an abundant number, since it is smaller than the sum of its proper divisors (43422792).

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

28948488 is a wasteful number, since it uses less digits than its factorization.

28948488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206196 (or 1206192 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 51.

The square root of 28948488 is about 5380.3799122367. The cubic root of 28948488 is about 307.0496653478.

The spelling of 28948488 in words is "twenty-eight million, nine hundred forty-eight thousand, four hundred eighty-eight".