1234388 has 6 divisors (see below), whose sum is σ = 2160186. Its totient is φ = 617192.

The previous prime is 1234379. The next prime is 1234391. The reversal of 1234388 is 8834321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 6724 = 1108^2 + 82^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1234388.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 154295 + ... + 154302.

It is an arithmetic number, because the mean of its divisors is an integer number (360031).

2^1234388 is an apocalyptic number.

It is an amenable number.

1234388 is a deficient number, since it is larger than the sum of its proper divisors (925798).

1234388 is a wasteful number, since it uses less digits than its factorization.

1234388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308601 (or 308599 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 1234388 is about 1111.0301526061. The cubic root of 1234388 is about 107.2713872544.

The spelling of 1234388 in words is "one million, two hundred thirty-four thousand, three hundred eighty-eight".