321480806 has 4 divisors (see below), whose sum is σ = 482221212. Its totient is φ = 160740402.

The previous prime is 321480791. The next prime is 321480823. The reversal of 321480806 is 608084123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608084123 = 8521 ⋅71363.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 80370200 + ... + 80370203.

It is an arithmetic number, because the mean of its divisors is an integer number (120555303).

Almost surely, 2^321480806 is an apocalyptic number.

321480806 is a deficient number, since it is larger than the sum of its proper divisors (160740406).

321480806 is a wasteful number, since it uses less digits than its factorization.

321480806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160740405.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 321480806 is about 17929.8858334346. The cubic root of 321480806 is about 685.0438148400.

The spelling of 321480806 in words is "three hundred twenty-one million, four hundred eighty thousand, eight hundred six".