1604473 has 8 divisors (see below), whose sum is σ = 1749888. Its totient is φ = 1462224.

The previous prime is 1604461. The next prime is 1604479. The reversal of 1604473 is 3744061.

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

It is a cyclic number.

It is not a de Polignac number, because 1604473 - 2⁵ = 1604441 is a prime.

It is a Duffinian number.

1604473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1604479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 1822.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

2^1604473 is an apocalyptic number.

1604473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1604473 is a deficient number, since it is larger than the sum of its proper divisors (145415).

1604473 is a wasteful number, since it uses less digits than its factorization.

1604473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1604473 is about 1266.6779385463. The cubic root of 1604473 is about 117.0696008795.

The spelling of 1604473 in words is "one million, six hundred four thousand, four hundred seventy-three".