1238806 has 8 divisors (see below), whose sum is σ = 1869840. Its totient is φ = 615528.

The previous prime is 1238801. The next prime is 1238821. The reversal of 1238806 is 6088321.

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 (1238801) 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 3 ways as a sum of consecutive naturals, for example, 1521 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (233730).

2^1238806 is an apocalyptic number.

1238806 is a deficient number, since it is larger than the sum of its proper divisors (631034).

1238806 is a wasteful number, since it uses less digits than its factorization.

1238806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1238806 is about 1113.0166216189. The cubic root of 1238806 is about 107.3992132707.

The spelling of 1238806 in words is "one million, two hundred thirty-eight thousand, eight hundred six".