1607604 has 12 divisors (see below), whose sum is σ = 3751104. Its totient is φ = 535864.

The previous prime is 1607603. The next prime is 1607611. The reversal of 1607604 is 4067061.

1607604 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1607603) 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, 66972 + ... + 66995.

It is an arithmetic number, because the mean of its divisors is an integer number (312592).

2^1607604 is an apocalyptic number.

It is an amenable number.

1607604 is an abundant number, since it is smaller than the sum of its proper divisors (2143500).

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

1607604 is a wasteful number, since it uses less digits than its factorization.

1607604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133974 (or 133972 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1607604 is about 1267.9132462436. The cubic root of 1607604 is about 117.1457020357.

It can be divided in two parts, 1607 and 604, that added together give a triangular number (2211 = T₆₆).

The spelling of 1607604 in words is "one million, six hundred seven thousand, six hundred four".