1609602 has 8 divisors (see below), whose sum is σ = 3219216. Its totient is φ = 536532.

The previous prime is 1609589. The next prime is 1609627. The reversal of 1609602 is 2069061.

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

1609602 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134128 + ... + 134139.

It is an arithmetic number, because the mean of its divisors is an integer number (402402).

2^1609602 is an apocalyptic number.

1609602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1609602 is a wasteful number, since it uses less digits than its factorization.

1609602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268272.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1609602 is about 1268.7009103804. The cubic root of 1609602 is about 117.1942131976.

It can be divided in two parts, 1609 and 602, that added together give a triangular number (2211 = T₆₆).

The spelling of 1609602 in words is "one million, six hundred nine thousand, six hundred two".