1608916 has 12 divisors (see below), whose sum is σ = 2828980. Its totient is φ = 800640.

The previous prime is 1608913. The next prime is 1608941. The reversal of 1608916 is 6198061.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 568516 = 1020^2 + 754^2 .

It is a super-2 number, since 2×1608916² = 5177221390112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608911) 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, 130 + ... + 1798.

2^1608916 is an apocalyptic number.

It is an amenable number.

1608916 is a deficient number, since it is larger than the sum of its proper divisors (1220064).

1608916 is a wasteful number, since it uses less digits than its factorization.

1608916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1608916 is about 1268.4305262804. The cubic root of 1608916 is about 117.1775617409.

The spelling of 1608916 in words is "one million, six hundred eight thousand, nine hundred sixteen".