28762284 has 24 divisors (see below), whose sum is σ = 67209408. Its totient is φ = 9573520.

The previous prime is 28762277. The next prime is 28762291. The reversal of 28762284 is 48226782.

It is an interprime number because it is at equal distance from previous prime (28762277) and next prime (28762291).

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, 10099 + ... + 12629.

It is an arithmetic number, because the mean of its divisors is an integer number (2800392).

Almost surely, 2^28762284 is an apocalyptic number.

It is an amenable number.

28762284 is an abundant number, since it is smaller than the sum of its proper divisors (38447124).

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

28762284 is a wasteful number, since it uses less digits than its factorization.

28762284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485 (or 3483 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 28762284 is about 5363.0480139562. The cubic root of 28762284 is about 306.3899083633.

The spelling of 28762284 in words is "twenty-eight million, seven hundred sixty-two thousand, two hundred eighty-four".