1368438 has 16 divisors (see below), whose sum is σ = 2772480. Its totient is φ = 450216.

The previous prime is 1368401. The next prime is 1368439. The reversal of 1368438 is 8348631.

1368438 is nontrivially palindromic in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1368399 and 1368408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368439) 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, 970 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (173280).

2^1368438 is an apocalyptic number.

1368438 is an abundant number, since it is smaller than the sum of its proper divisors (1404042).

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

1368438 is a wasteful number, since it uses less digits than its factorization.

1368438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971.

The product of its digits is 13824, while the sum is 33.

The square root of 1368438 is about 1169.8025474412. The cubic root of 1368438 is about 111.0218283506.

The spelling of 1368438 in words is "one million, three hundred sixty-eight thousand, four hundred thirty-eight".