1385806 has 8 divisors (see below), whose sum is σ = 2201040. Its totient is φ = 652128.

The previous prime is 1385801. The next prime is 1385809. The reversal of 1385806 is 6085831.

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 (1385801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20346 + ... + 20413.

It is an arithmetic number, because the mean of its divisors is an integer number (275130).

2^1385806 is an apocalyptic number.

1385806 is a deficient number, since it is larger than the sum of its proper divisors (815234).

1385806 is a wasteful number, since it uses less digits than its factorization.

1385806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40778.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1385806 is about 1177.2026163749. The cubic root of 1385806 is about 111.4895456961.

The spelling of 1385806 in words is "one million, three hundred eighty-five thousand, eight hundred six".