324400641 has 8 divisors (see below), whose sum is σ = 447449280. Its totient is φ = 208809552.

The previous prime is 324400621. The next prime is 324400669. The reversal of 324400641 is 146004423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 324400641 - 2¹⁹ = 323876353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (324400621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864285 + ... + 1864458.

It is an arithmetic number, because the mean of its divisors is an integer number (55931160).

Almost surely, 2^324400641 is an apocalyptic number.

It is an amenable number.

324400641 is a deficient number, since it is larger than the sum of its proper divisors (123048639).

324400641 is a wasteful number, since it uses less digits than its factorization.

324400641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728775.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 324400641 is about 18011.1254784369. The cubic root of 324400641 is about 687.1115273554. Note that the first 3 decimals are identical.

The spelling of 324400641 in words is "three hundred twenty-four million, four hundred thousand, six hundred forty-one".