28850788 has 12 divisors (see below), whose sum is σ = 50678460. Its totient is φ = 14371232.

The previous prime is 28850777. The next prime is 28850813. The reversal of 28850788 is 88705882.

It can be written as a sum of positive squares in 2 ways, for example, as 10549504 + 18301284 = 3248^2 + 4278^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12331 + ... + 14482.

It is an arithmetic number, because the mean of its divisors is an integer number (4223205).

Almost surely, 2^28850788 is an apocalyptic number.

It is an amenable number.

28850788 is a deficient number, since it is larger than the sum of its proper divisors (21827672).

28850788 is a wasteful number, since it uses less digits than its factorization.

28850788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27086 (or 27084 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 46.

The square root of 28850788 is about 5371.2929542150. The cubic root of 28850788 is about 306.7038491987.

It can be divided in two parts, 288 and 50788, that added together give a square (51076 = 226²).

The spelling of 28850788 in words is "twenty-eight million, eight hundred fifty thousand, seven hundred eighty-eight".