1608233 has 4 divisors (see below), whose sum is σ = 1754448. Its totient is φ = 1462020.

The previous prime is 1608227. The next prime is 1608239. The reversal of 1608233 is 3328061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3328061 = 11 ⋅302551.

It is an interprime number because it is at equal distance from previous prime (1608227) and next prime (1608239).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1608233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1608199 and 1608208.

It is not an unprimeable number, because it can be changed into a prime (1608239) 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, 73091 + ... + 73112.

It is an arithmetic number, because the mean of its divisors is an integer number (438612).

2^1608233 is an apocalyptic number.

It is an amenable number.

1608233 is a deficient number, since it is larger than the sum of its proper divisors (146215).

1608233 is a wasteful number, since it uses less digits than its factorization.

1608233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146214.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1608233 is about 1268.1612673473. The cubic root of 1608233 is about 117.1609784011.

The spelling of 1608233 in words is "one million, six hundred eight thousand, two hundred thirty-three".