1355604 has 12 divisors (see below), whose sum is σ = 3163104. Its totient is φ = 451864.

The previous prime is 1355591. The next prime is 1355609. The reversal of 1355604 is 4065531.

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 (1355609) 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 3 ways as a sum of consecutive naturals, for example, 56472 + ... + 56495.

It is an arithmetic number, because the mean of its divisors is an integer number (263592).

2^1355604 is an apocalyptic number.

It is an amenable number.

1355604 is an abundant number, since it is smaller than the sum of its proper divisors (1807500).

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

1355604 is a wasteful number, since it uses less digits than its factorization.

1355604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112974 (or 112972 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1355604 is about 1164.3040839918. The cubic root of 1355604 is about 110.6736620794.

The spelling of 1355604 in words is "one million, three hundred fifty-five thousand, six hundred four".