23628786 has 24 divisors (see below), whose sum is σ = 47978640. Its totient is φ = 7757856.

The previous prime is 23628779. The next prime is 23628791. The reversal of 23628786 is 68782632.

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 11 ways as a sum of consecutive naturals, for example, 31605 + ... + 32343.

It is an arithmetic number, because the mean of its divisors is an integer number (1999110).

Almost surely, 2^23628786 is an apocalyptic number.

23628786 is an abundant number, since it is smaller than the sum of its proper divisors (24349854).

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

23628786 is an equidigital number, since it uses as much as digits as its factorization.

23628786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 817 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 23628786 is about 4860.9449698593. The cubic root of 23628786 is about 286.9550043378.

The spelling of 23628786 in words is "twenty-three million, six hundred twenty-eight thousand, seven hundred eighty-six".