1138446 has 12 divisors (see below), whose sum is σ = 2466672. Its totient is φ = 379476.

The previous prime is 1138441. The next prime is 1138451. The reversal of 1138446 is 6448311.

It is an interprime number because it is at equal distance from previous prime (1138441) and next prime (1138451).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138441) 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 5 ways as a sum of consecutive naturals, for example, 31606 + ... + 31641.

It is an arithmetic number, because the mean of its divisors is an integer number (205556).

2^1138446 is an apocalyptic number.

1138446 is an abundant number, since it is smaller than the sum of its proper divisors (1328226).

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

1138446 is a wasteful number, since it uses less digits than its factorization.

1138446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63255 (or 63252 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1138446 is about 1066.9798498566. The cubic root of 1138446 is about 104.4169039436.

The spelling of 1138446 in words is "one million, one hundred thirty-eight thousand, four hundred forty-six".