320268949 has 24 divisors (see below), whose sum is σ = 437699808. Its totient is φ = 230358240.

The previous prime is 320268947. The next prime is 320268973. The reversal of 320268949 is 949862023.

It is not a de Polignac number, because 320268949 - 2¹ = 320268947 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320268943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15847 + ... + 29860.

It is an arithmetic number, because the mean of its divisors is an integer number (18237492).

Almost surely, 2^320268949 is an apocalyptic number.

It is an amenable number.

320268949 is a deficient number, since it is larger than the sum of its proper divisors (117430859).

320268949 is a wasteful number, since it uses less digits than its factorization.

320268949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45745 (or 45738 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 320268949 is about 17896.0595942235. The cubic root of 320268949 is about 684.1819484785.

The spelling of 320268949 in words is "three hundred twenty million, two hundred sixty-eight thousand, nine hundred forty-nine".