1438234 has 16 divisors (see below), whose sum is σ = 2611008. Its totient is φ = 580032.

The previous prime is 1438231. The next prime is 1438237. The reversal of 1438234 is 4328341.

It is an interprime number because it is at equal distance from previous prime (1438231) and next prime (1438237).

It is a junction number, because it is equal to n+sod(n) for n = 1438199 and 1438208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438231) 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, 2784 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (163188).

2^1438234 is an apocalyptic number.

1438234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1438234 is a deficient number, since it is larger than the sum of its proper divisors (1172774).

1438234 is a wasteful number, since it uses less digits than its factorization.

1438234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069.

The product of its digits is 2304, while the sum is 25.

The square root of 1438234 is about 1199.2639409238. The cubic root of 1438234 is about 112.8781415364.

The spelling of 1438234 in words is "one million, four hundred thirty-eight thousand, two hundred thirty-four".