1608445 has 8 divisors (see below), whose sum is σ = 2031840. Its totient is φ = 1218960.

The previous prime is 1608443. The next prime is 1608449. The reversal of 1608445 is 5448061.

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

It is not a de Polignac number, because 1608445 - 2¹ = 1608443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608443) 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, 8371 + ... + 8560.

It is an arithmetic number, because the mean of its divisors is an integer number (253980).

2^1608445 is an apocalyptic number.

It is an amenable number.

1608445 is a deficient number, since it is larger than the sum of its proper divisors (423395).

1608445 is a wasteful number, since it uses less digits than its factorization.

1608445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16955.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1608445 is about 1268.2448501768. The cubic root of 1608445 is about 117.1661262945.

It can be divided in two parts, 16084 and 45, that added together give a square (16129 = 127²).

The spelling of 1608445 in words is "one million, six hundred eight thousand, four hundred forty-five".