385532806 has 4 divisors (see below), whose sum is σ = 578299212. Its totient is φ = 192766402.

The previous prime is 385532803. The next prime is 385532809. The reversal of 385532806 is 608235583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608235583 = 7589 ⋅80147.

It is an interprime number because it is at equal distance from previous prime (385532803) and next prime (385532809).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385532801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96383200 + ... + 96383203.

It is an arithmetic number, because the mean of its divisors is an integer number (144574803).

Almost surely, 2^385532806 is an apocalyptic number.

385532806 is a deficient number, since it is larger than the sum of its proper divisors (192766406).

385532806 is a wasteful number, since it uses less digits than its factorization.

385532806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192766405.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 385532806 is about 19634.9893302747. The cubic root of 385532806 is about 727.8140689183.

The spelling of 385532806 in words is "three hundred eighty-five million, five hundred thirty-two thousand, eight hundred six".