1438606 has 8 divisors (see below), whose sum is σ = 2323944. Its totient is φ = 663960.

The previous prime is 1438583. The next prime is 1438609. The reversal of 1438606 is 6068341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438609) 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 in 3 ways as a sum of consecutive naturals, for example, 27640 + ... + 27691.

It is an arithmetic number, because the mean of its divisors is an integer number (290493).

2^1438606 is an apocalyptic number.

1438606 is a deficient number, since it is larger than the sum of its proper divisors (885338).

1438606 is a wasteful number, since it uses less digits than its factorization.

1438606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55346.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1438606 is about 1199.4190260289. The cubic root of 1438606 is about 112.8878726948.

The spelling of 1438606 in words is "one million, four hundred thirty-eight thousand, six hundred six".