1604118 has 8 divisors (see below), whose sum is σ = 3208248. Its totient is φ = 534704.

The previous prime is 1604111. The next prime is 1604123. The reversal of 1604118 is 8114061.

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

1604118 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1604094 and 1604103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133671 + ... + 133682.

It is an arithmetic number, because the mean of its divisors is an integer number (401031).

2^1604118 is an apocalyptic number.

1604118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1604118 is a wasteful number, since it uses less digits than its factorization.

1604118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267358.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1604118 is about 1266.5378004623. The cubic root of 1604118 is about 117.0609661079.

Adding to 1604118 its reverse (8114061), we get a palindrome (9718179).

It can be divided in two parts, 160 and 4118, that added together give a triangular number (4278 = T₉₂).

The spelling of 1604118 in words is "one million, six hundred four thousand, one hundred eighteen".