323994240 has 96 divisors (see below), whose sum is σ = 1118812500. Its totient is φ = 86396928.

The previous prime is 323994233. The next prime is 323994257. The reversal of 323994240 is 42499323.

323994240 is a `hidden beast` number, since 323 + 9 + 94 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 312865344 + 11128896 = 17688^2 + 3336^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 323994195 and 323994204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22365 + ... + 33884.

Almost surely, 2^323994240 is an apocalyptic number.

323994240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323994240 is an abundant number, since it is smaller than the sum of its proper divisors (794818260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323994240 is a wasteful number, since it uses less digits than its factorization.

323994240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56274 (or 56259 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 323994240 is about 17999.8399992889. The cubic root of 323994240 is about 686.8244754128.

It can be divided in two parts, 3239 and 94240, that added together give a palindrome (97479).

The spelling of 323994240 in words is "three hundred twenty-three million, nine hundred ninety-four thousand, two hundred forty".