1090928 has 20 divisors (see below), whose sum is σ = 2166528. Its totient is φ = 531840.

The previous prime is 1090927. The next prime is 1090937. The reversal of 1090928 is 8290901.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1090928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 1487.

2^1090928 is an apocalyptic number.

It is an amenable number.

1090928 is a deficient number, since it is larger than the sum of its proper divisors (1075600).

1090928 is a wasteful number, since it uses less digits than its factorization.

1090928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1090928 is about 1044.4749877331. The cubic root of 1090928 is about 102.9434446175.

The spelling of 1090928 in words is "one million, ninety thousand, nine hundred twenty-eight".