1840604 has 12 divisors (see below), whose sum is σ = 3266928. Its totient is φ = 907200.

The previous prime is 1840603. The next prime is 1840633. The reversal of 1840604 is 4060481.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1840604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840603) 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, 2957 + ... + 3524.

It is an arithmetic number, because the mean of its divisors is an integer number (272244).

2^1840604 is an apocalyptic number.

It is an amenable number.

1840604 is a deficient number, since it is larger than the sum of its proper divisors (1426324).

1840604 is a wasteful number, since it uses less digits than its factorization.

1840604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556 (or 6554 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1840604 is about 1356.6886157111. The cubic root of 1840604 is about 122.5519202374.

The spelling of 1840604 in words is "one million, eight hundred forty thousand, six hundred four".