1353604 has 24 divisors (see below), whose sum is σ = 2802240. Its totient is φ = 559776.

The previous prime is 1353593. The next prime is 1353607. The reversal of 1353604 is 4063531.

It is not an unprimeable number, because it can be changed into a prime (1353607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (116760).

2^1353604 is an apocalyptic number.

1353604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1353604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401120).

1353604 is an abundant number, since it is smaller than the sum of its proper divisors (1448636).

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

1353604 is a wasteful number, since it uses less digits than its factorization.

1353604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1353604 is about 1163.4448848141. Note that the first 3 decimals coincide. The cubic root of 1353604 is about 110.6192075659.

The spelling of 1353604 in words is "one million, three hundred fifty-three thousand, six hundred four".