321299948 has 12 divisors (see below), whose sum is σ = 563036880. Its totient is φ = 160432272.

The previous prime is 321299947. The next prime is 321299963. The reversal of 321299948 is 849992123.

It is not an unprimeable number, because it can be changed into a prime (321299941) 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, 51083 + ... + 57026.

It is an arithmetic number, because the mean of its divisors is an integer number (46919740).

Almost surely, 2^321299948 is an apocalyptic number.

It is an amenable number.

321299948 is a deficient number, since it is larger than the sum of its proper divisors (241736932).

321299948 is a wasteful number, since it uses less digits than its factorization.

321299948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108856 (or 108854 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 321299948 is about 17924.8416450467. The cubic root of 321299948 is about 684.9153272363.

The spelling of 321299948 in words is "three hundred twenty-one million, two hundred ninety-nine thousand, nine hundred forty-eight".