1604673 has 12 divisors (see below), whose sum is σ = 2649088. Its totient is φ = 916920.

The previous prime is 1604651. The next prime is 1604711. The reversal of 1604673 is 3764061.

It is not a de Polignac number, because 1604673 - 2⁶ = 1604609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1604573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12673 + ... + 12798.

2^1604673 is an apocalyptic number.

It is an amenable number.

1604673 is a deficient number, since it is larger than the sum of its proper divisors (1044415).

1604673 is a wasteful number, since it uses less digits than its factorization.

1604673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25484 (or 25481 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1604673 is about 1266.7568827522. The cubic root of 1604673 is about 117.0744649787.

The spelling of 1604673 in words is "one million, six hundred four thousand, six hundred seventy-three".