1604056 has 32 divisors (see below), whose sum is σ = 3236400. Its totient is φ = 743040.

The previous prime is 1604051. The next prime is 1604059. The reversal of 1604056 is 6504061.

It is a super-2 number, since 2×1604056² = 5145991302272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9186 + ... + 9358.

2^1604056 is an apocalyptic number.

It is an amenable number.

1604056 is an abundant number, since it is smaller than the sum of its proper divisors (1632344).

1604056 is a wasteful number, since it uses less digits than its factorization.

1604056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1604056 is about 1266.5133240515. The cubic root of 1604056 is about 117.0594579326.

The spelling of 1604056 in words is "one million, six hundred four thousand, fifty-six".