1608616 has 24 divisors (see below), whose sum is σ = 3188970. Its totient is φ = 760608.

The previous prime is 1608611. The next prime is 1608617. The reversal of 1608616 is 6168061.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 36100 = 1254^2 + 190^2 .

It is not an unprimeable number, because it can be changed into a prime (1608611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2610 + ... + 3166.

2^1608616 is an apocalyptic number.

It is an amenable number.

1608616 is a deficient number, since it is larger than the sum of its proper divisors (1580354).

1608616 is a wasteful number, since it uses less digits than its factorization.

1608616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1608616 is about 1268.3122643892. The cubic root of 1608616 is about 117.1702782752.

It can be divided in two parts, 1608 and 616, that multiplied together give a triangular number (990528 = T₁₄₀₇).

The spelling of 1608616 in words is "one million, six hundred eight thousand, six hundred sixteen".