1608422 has 4 divisors (see below), whose sum is σ = 2412636. Its totient is φ = 804210.

The previous prime is 1608401. The next prime is 1608433. The reversal of 1608422 is 2248061.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402104 + ... + 402107.

It is an arithmetic number, because the mean of its divisors is an integer number (603159).

2^1608422 is an apocalyptic number.

1608422 is a deficient number, since it is larger than the sum of its proper divisors (804214).

1608422 is an equidigital number, since it uses as much as digits as its factorization.

1608422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804213.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1608422 is about 1268.2357824947. The cubic root of 1608422 is about 117.1655678185.

The spelling of 1608422 in words is "one million, six hundred eight thousand, four hundred twenty-two".