468307821 has 8 divisors (see below), whose sum is σ = 629936640. Its totient is φ = 309442112.

The previous prime is 468307799. The next prime is 468307837. The reversal of 468307821 is 128703864.

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

It is a cyclic number.

It is not a de Polignac number, because 468307821 - 2⁶ = 468307757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 468307821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468307871) 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, 690381 + ... + 691058.

It is an arithmetic number, because the mean of its divisors is an integer number (78742080).

Almost surely, 2^468307821 is an apocalyptic number.

It is an amenable number.

468307821 is a deficient number, since it is larger than the sum of its proper divisors (161628819).

468307821 is a wasteful number, since it uses less digits than its factorization.

468307821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381555.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 468307821 is about 21640.4209986775. The cubic root of 468307821 is about 776.5637913396.

The spelling of 468307821 in words is "four hundred sixty-eight million, three hundred seven thousand, eight hundred twenty-one".