1841604 has 36 divisors (see below), whose sum is σ = 4452336. Its totient is φ = 592368.

The previous prime is 1841603. The next prime is 1841621. The reversal of 1841604 is 4061481.

It is not an unprimeable number, because it can be changed into a prime (1841603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22147 + ... + 22229.

It is an arithmetic number, because the mean of its divisors is an integer number (123676).

2^1841604 is an apocalyptic number.

It is an amenable number.

1841604 is an abundant number, since it is smaller than the sum of its proper divisors (2610732).

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

1841604 is a wasteful number, since it uses less digits than its factorization.

1841604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1841604 is about 1357.0571100731. The cubic root of 1841604 is about 122.5741103686.

The spelling of 1841604 in words is "one million, eight hundred forty-one thousand, six hundred four".