1608923 has 4 divisors (see below), whose sum is σ = 1613088. Its totient is φ = 1604760.

The previous prime is 1608913. The next prime is 1608941. The reversal of 1608923 is 3298061.

1608923 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

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 1608923 - 2⁸ = 1608667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1608913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436 + ... + 2297.

It is an arithmetic number, because the mean of its divisors is an integer number (403272).

2^1608923 is an apocalyptic number.

1608923 is a deficient number, since it is larger than the sum of its proper divisors (4165).

1608923 is an equidigital number, since it uses as much as digits as its factorization.

1608923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1608923 is about 1268.4332855929. The cubic root of 1608923 is about 117.1777316776.

The spelling of 1608923 in words is "one million, six hundred eight thousand, nine hundred twenty-three".