424727399 has 2 divisors, whose sum is σ = 424727400. Its totient is φ = 424727398.

The previous prime is 424727363. The next prime is 424727411. The reversal of 424727399 is 993727424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424727399 - 2⁸ = 424727143 is a prime.

It is a super-2 number, since 2×424727399² = 360786726922610402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424727309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212363699 + 212363700.

It is an arithmetic number, because the mean of its divisors is an integer number (212363700).

Almost surely, 2^424727399 is an apocalyptic number.

424727399 is a deficient number, since it is larger than the sum of its proper divisors (1).

424727399 is an equidigital number, since it uses as much as digits as its factorization.

424727399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The square root of 424727399 is about 20608.9155221715. The cubic root of 424727399 is about 751.6865152310.

The spelling of 424727399 in words is "four hundred twenty-four million, seven hundred twenty-seven thousand, three hundred ninety-nine".