1026623 has 8 divisors (see below), whose sum is σ = 1114848. Its totient is φ = 939744.

The previous prime is 1026593. The next prime is 1026661. The reversal of 1026623 is 3266201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1026623 - 2¹⁶ = 961087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026595 and 1026604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (139356).

2^1026623 is an apocalyptic number.

1026623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1026623 is a deficient number, since it is larger than the sum of its proper divisors (88225).

1026623 is a wasteful number, since it uses less digits than its factorization.

1026623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1026623 is about 1013.2240620909. The cubic root of 1026623 is about 100.8796724075.

The spelling of 1026623 in words is "one million, twenty-six thousand, six hundred twenty-three".