1090604 has 6 divisors (see below), whose sum is σ = 1908564. Its totient is φ = 545300.

The previous prime is 1090597. The next prime is 1090613. The reversal of 1090604 is 4060901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136322 + ... + 136329.

It is an arithmetic number, because the mean of its divisors is an integer number (318094).

2^1090604 is an apocalyptic number.

It is an amenable number.

1090604 is a deficient number, since it is larger than the sum of its proper divisors (817960).

1090604 is a wasteful number, since it uses less digits than its factorization.

1090604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272655 (or 272653 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1090604 is about 1044.3198743680. The cubic root of 1090604 is about 102.9332523840.

The spelling of 1090604 in words is "one million, ninety thousand, six hundred four".