890189728 has 24 divisors (see below), whose sum is σ = 1756375488. Its totient is φ = 444126144.

The previous prime is 890189719. The next prime is 890189761. The reversal of 890189728 is 827981098.

890189728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15226 + ... + 44857.

It is an arithmetic number, because the mean of its divisors is an integer number (73182312).

Almost surely, 2^890189728 is an apocalyptic number.

It is an amenable number.

890189728 is a deficient number, since it is larger than the sum of its proper divisors (866185760).

890189728 is a wasteful number, since it uses less digits than its factorization.

890189728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60556 (or 60548 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 890189728 is about 29836.0474594072. The cubic root of 890189728 is about 961.9685185849.

The spelling of 890189728 in words is "eight hundred ninety million, one hundred eighty-nine thousand, seven hundred twenty-eight".