28252698 has 16 divisors (see below), whose sum is σ = 56599776. Its totient is φ = 9401840.

The previous prime is 28252673. The next prime is 28252703. The reversal of 28252698 is 89625282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (3537486).

Almost surely, 2^28252698 is an apocalyptic number.

28252698 is an abundant number, since it is smaller than the sum of its proper divisors (28347078).

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

28252698 is a wasteful number, since it uses less digits than its factorization.

28252698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869.

The product of its digits is 138240, while the sum is 42.

The square root of 28252698 is about 5315.3267067980. The cubic root of 28252698 is about 304.5696627455.

The spelling of 28252698 in words is "twenty-eight million, two hundred fifty-two thousand, six hundred ninety-eight".