1438894 has 4 divisors (see below), whose sum is σ = 2158344. Its totient is φ = 719446.

The previous prime is 1438891. The next prime is 1438901. The reversal of 1438894 is 4988341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4988341 = 487 ⋅10243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359722 + ... + 359725.

It is an arithmetic number, because the mean of its divisors is an integer number (539586).

2^1438894 is an apocalyptic number.

1438894 is a deficient number, since it is larger than the sum of its proper divisors (719450).

1438894 is an equidigital number, since it uses as much as digits as its factorization.

1438894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719449.

The product of its digits is 27648, while the sum is 37.

The square root of 1438894 is about 1199.5390781463. The cubic root of 1438894 is about 112.8954053429.

It can be divided in two parts, 1438 and 894, that added together give a palindrome (2332).

The spelling of 1438894 in words is "one million, four hundred thirty-eight thousand, eight hundred ninety-four".