1028923 has 4 divisors (see below), whose sum is σ = 1175920. Its totient is φ = 881928.

The previous prime is 1028903. The next prime is 1028939. The reversal of 1028923 is 3298201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028923 - 2⁹ = 1028411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028903) 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, 73488 + ... + 73501.

It is an arithmetic number, because the mean of its divisors is an integer number (293980).

2^1028923 is an apocalyptic number.

1028923 is a deficient number, since it is larger than the sum of its proper divisors (146997).

1028923 is an equidigital number, since it uses as much as digits as its factorization.

1028923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146996.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1028923 is about 1014.3584179175. The cubic root of 1028923 is about 100.9549516452.

It can be divided in two parts, 102 and 8923, that added together give a square (9025 = 95²).

The spelling of 1028923 in words is "one million, twenty-eight thousand, nine hundred twenty-three".