324040007 has 2 divisors, whose sum is σ = 324040008. Its totient is φ = 324040006.

The previous prime is 324040001. The next prime is 324040021. The reversal of 324040007 is 700040423.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 324040007 - 2¹⁸ = 323777863 is a prime.

It is a super-2 number, since 2×324040007² = 210003852273120098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324040001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162020003 + 162020004.

It is an arithmetic number, because the mean of its divisors is an integer number (162020004).

Almost surely, 2^324040007 is an apocalyptic number.

324040007 is a deficient number, since it is larger than the sum of its proper divisors (1).

324040007 is an equidigital number, since it uses as much as digits as its factorization.

324040007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 324040007 is about 18001.1112712521. Note that the first 3 decimals coincide. The cubic root of 324040007 is about 686.8568138640.

The spelling of 324040007 in words is "three hundred twenty-four million, forty thousand, seven".