1189438 has 16 divisors (see below), whose sum is σ = 1901520. Its totient is φ = 556416.

The previous prime is 1189417. The next prime is 1189453. The reversal of 1189438 is 8349811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4156 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (118845).

2^1189438 is an apocalyptic number.

1189438 is a deficient number, since it is larger than the sum of its proper divisors (712082).

1189438 is a wasteful number, since it uses less digits than its factorization.

1189438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its digits is 6912, while the sum is 34.

The square root of 1189438 is about 1090.6135887655. The cubic root of 1189438 is about 105.9531654972.

The spelling of 1189438 in words is "one million, one hundred eighty-nine thousand, four hundred thirty-eight".