28866498 has 16 divisors (see below), whose sum is σ = 57975456. Its totient is φ = 9581760.

The previous prime is 28866473. The next prime is 28866499. The reversal of 28866498 is 89466882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28866498.

It is not an unprimeable number, because it can be changed into a prime (28866499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8536 + ... + 11427.

It is an arithmetic number, because the mean of its divisors is an integer number (3623466).

Almost surely, 2^28866498 is an apocalyptic number.

28866498 is an abundant number, since it is smaller than the sum of its proper divisors (29108958).

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

28866498 is a wasteful number, since it uses less digits than its factorization.

28866498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20209.

The product of its digits is 1327104, while the sum is 51.

The square root of 28866498 is about 5372.7551591339. The cubic root of 28866498 is about 306.7595084892.

The spelling of 28866498 in words is "twenty-eight million, eight hundred sixty-six thousand, four hundred ninety-eight".