1204388 has 12 divisors (see below), whose sum is σ = 2119152. Its totient is φ = 598920.

The previous prime is 1204369. The next prime is 1204397. The reversal of 1204388 is 8834021.

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 in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (176596).

2^1204388 is an apocalyptic number.

It is an amenable number.

1204388 is a deficient number, since it is larger than the sum of its proper divisors (914764).

1204388 is a wasteful number, since it uses less digits than its factorization.

1204388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1204388 is about 1097.4461262404. The cubic root of 1204388 is about 106.3952256323.

The spelling of 1204388 in words is "one million, two hundred four thousand, three hundred eighty-eight".