424004279 has 2 divisors, whose sum is σ = 424004280. Its totient is φ = 424004278.

The previous prime is 424004237. The next prime is 424004291. The reversal of 424004279 is 972400424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424004279 - 2⁸ = 424004023 is a prime.

It is a super-2 number, since 2×424004279² = 359559257220619682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424004219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212002139 + 212002140.

It is an arithmetic number, because the mean of its divisors is an integer number (212002140).

Almost surely, 2^424004279 is an apocalyptic number.

424004279 is a deficient number, since it is larger than the sum of its proper divisors (1).

424004279 is an equidigital number, since it uses as much as digits as its factorization.

424004279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 424004279 is about 20591.3641850170. The cubic root of 424004279 is about 751.2596780600.

The spelling of 424004279 in words is "four hundred twenty-four million, four thousand, two hundred seventy-nine".