424397 has 2 divisors, whose sum is σ = 424398. Its totient is φ = 424396.

The previous prime is 424351. The next prime is 424423. The reversal of 424397 is 793424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373321 + 51076 = 611^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 424397 - 2¹⁶ = 358861 is a prime.

It is a super-2 number, since 2×424397² = 360225627218, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212198 + 212199.

It is an arithmetic number, because the mean of its divisors is an integer number (212199).

2⁴²⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

424397 is a deficient number, since it is larger than the sum of its proper divisors (1).

424397 is an equidigital number, since it uses as much as digits as its factorization.

424397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 424397 is about 651.4575964712. The cubic root of 424397 is about 75.1491550256.

The spelling of 424397 in words is "four hundred twenty-four thousand, three hundred ninety-seven".