421468339 has 4 divisors (see below), whose sum is σ = 436001760. Its totient is φ = 406934920.

The previous prime is 421468321. The next prime is 421468357. The reversal of 421468339 is 933864124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (421468321) and next prime (421468357).

It is a cyclic number.

It is not a de Polignac number, because 421468339 - 2¹¹ = 421466291 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421468319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7266667 + ... + 7266724.

It is an arithmetic number, because the mean of its divisors is an integer number (109000440).

Almost surely, 2^421468339 is an apocalyptic number.

421468339 is a deficient number, since it is larger than the sum of its proper divisors (14533421).

421468339 is a wasteful number, since it uses less digits than its factorization.

421468339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14533420.

The product of its digits is 124416, while the sum is 40.

The square root of 421468339 is about 20529.6940795522. The cubic root of 421468339 is about 749.7589382310.

The spelling of 421468339 in words is "four hundred twenty-one million, four hundred sixty-eight thousand, three hundred thirty-nine".