424766399 has 4 divisors (see below), whose sum is σ = 431106264. Its totient is φ = 418426536.

The previous prime is 424766389. The next prime is 424766467. The reversal of 424766399 is 993667424.

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

It is a cyclic number.

It is not a de Polignac number, because 424766399 - 2⁸ = 424766143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424766339) 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, 3169832 + ... + 3169965.

It is an arithmetic number, because the mean of its divisors is an integer number (107776566).

Almost surely, 2^424766399 is an apocalyptic number.

424766399 is a deficient number, since it is larger than the sum of its proper divisors (6339865).

424766399 is an equidigital number, since it uses as much as digits as its factorization.

424766399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6339864.

The product of its digits is 1959552, while the sum is 50.

The square root of 424766399 is about 20609.8616928887. The cubic root of 424766399 is about 751.7095220482.

The spelling of 424766399 in words is "four hundred twenty-four million, seven hundred sixty-six thousand, three hundred ninety-nine".