806748406 has 4 divisors (see below), whose sum is σ = 1210122612. Its totient is φ = 403374202.

The previous prime is 806748389. The next prime is 806748409. The reversal of 806748406 is 604847608.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806748409) 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 as a sum of consecutive naturals, namely, 201687100 + ... + 201687103.

It is an arithmetic number, because the mean of its divisors is an integer number (302530653).

Almost surely, 2^806748406 is an apocalyptic number.

806748406 is a deficient number, since it is larger than the sum of its proper divisors (403374206).

806748406 is a wasteful number, since it uses less digits than its factorization.

806748406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403374205.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 806748406 is about 28403.3168133583. The cubic root of 806748406 is about 930.9207384172.

The spelling of 806748406 in words is "eight hundred six million, seven hundred forty-eight thousand, four hundred six".