1238388 has 24 divisors (see below), whose sum is σ = 2983680. Its totient is φ = 399360.

The previous prime is 1238383. The next prime is 1238407. The reversal of 1238388 is 8838321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238381) 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 7 ways as a sum of consecutive naturals, for example, 1293 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (124320).

2^1238388 is an apocalyptic number.

It is an amenable number.

1238388 is an abundant number, since it is smaller than the sum of its proper divisors (1745292).

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

1238388 is a wasteful number, since it uses less digits than its factorization.

1238388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367 (or 3365 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 1238388 is about 1112.8288278078. The cubic root of 1238388 is about 107.3871323042.

Multiplying 1238388 by its sum of digits (33), we get a palindrome (40866804).

The spelling of 1238388 in words is "one million, two hundred thirty-eight thousand, three hundred eighty-eight".