28748302 has 16 divisors (see below), whose sum is σ = 48045312. Its totient is φ = 12788920.

The previous prime is 28748261. The next prime is 28748327. The reversal of 28748302 is 20384782.

It is a congruent number.

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, 12868 + ... + 14935.

It is an arithmetic number, because the mean of its divisors is an integer number (3002832).

Almost surely, 2^28748302 is an apocalyptic number.

28748302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28748302 is a deficient number, since it is larger than the sum of its proper divisors (19297010).

28748302 is a wasteful number, since it uses less digits than its factorization.

28748302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27863.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 28748302 is about 5361.7443057274. The cubic root of 28748302 is about 306.3402526167.

The spelling of 28748302 in words is "twenty-eight million, seven hundred forty-eight thousand, three hundred two".