1438807 has 8 divisors (see below), whose sum is σ = 1483040. Its totient is φ = 1395360.

The previous prime is 1438793. The next prime is 1438817. The reversal of 1438807 is 7088341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1438807 - 2¹⁵ = 1406039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438817) 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 7 ways as a sum of consecutive naturals, for example, 6169 + ... + 6397.

It is an arithmetic number, because the mean of its divisors is an integer number (185380).

2^1438807 is an apocalyptic number.

1438807 is a deficient number, since it is larger than the sum of its proper divisors (44233).

1438807 is a wasteful number, since it uses less digits than its factorization.

1438807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1438807 is about 1199.5028136691. The cubic root of 1438807 is about 112.8931299614.

The spelling of 1438807 in words is "one million, four hundred thirty-eight thousand, eight hundred seven".