1608863 has 12 divisors (see below), whose sum is σ = 1805160. Its totient is φ = 1429632.

The previous prime is 1608839. The next prime is 1608883. The reversal of 1608863 is 3688061.

It is not a de Polignac number, because 1608863 - 2¹⁰ = 1607839 is a prime.

It is a super-3 number, since 3×1608863³ = 12493336768513174941, which contains 333 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608823) 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 11 ways as a sum of consecutive naturals, for example, 5345 + ... + 5637.

It is an arithmetic number, because the mean of its divisors is an integer number (150430).

2^1608863 is an apocalyptic number.

1608863 is a deficient number, since it is larger than the sum of its proper divisors (196297).

1608863 is a wasteful number, since it uses less digits than its factorization.

1608863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1608863 is about 1268.4096341482. The cubic root of 1608863 is about 117.1762750611.

The spelling of 1608863 in words is "one million, six hundred eight thousand, eight hundred sixty-three".