1028992 has 16 divisors (see below), whose sum is σ = 2050200. Its totient is φ = 514432.

The previous prime is 1028981. The next prime is 1028999. The reversal of 1028992 is 2998201.

1028992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3892 + ... + 4147.

2^1028992 is an apocalyptic number.

It is an amenable number.

1028992 is a deficient number, since it is larger than the sum of its proper divisors (1021208).

1028992 is an frugal number, since it uses more digits than its factorization.

1028992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053 (or 8041 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1028992 is about 1014.3924289938. The cubic root of 1028992 is about 100.9572082883.

The spelling of 1028992 in words is "one million, twenty-eight thousand, nine hundred ninety-two".