323648649 has 16 divisors (see below), whose sum is σ = 494947840. Its totient is φ = 208805040.

The previous prime is 323648609. The next prime is 323648693. The reversal of 323648649 is 946846323.

It is not a de Polignac number, because 323648649 - 2⁸ = 323648393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323648609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192502 + ... + 194175.

It is an arithmetic number, because the mean of its divisors is an integer number (30934240).

Almost surely, 2^323648649 is an apocalyptic number.

It is an amenable number.

323648649 is a deficient number, since it is larger than the sum of its proper divisors (171299191).

323648649 is a wasteful number, since it uses less digits than its factorization.

323648649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386717 (or 386711 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 323648649 is about 17990.2376026555. The cubic root of 323648649 is about 686.5801862947.

The spelling of 323648649 in words is "three hundred twenty-three million, six hundred forty-eight thousand, six hundred forty-nine".