424738417 has 2 divisors, whose sum is σ = 424738418. Its totient is φ = 424738416.

The previous prime is 424738373. The next prime is 424738423. The reversal of 424738417 is 714837424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285474816 + 139263601 = 16896^2 + 11801^2 .

It is a cyclic number.

It is not a de Polignac number, because 424738417 - 2⁷ = 424738289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424738417.

It is not a weakly prime, because it can be changed into another prime (424738427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212369208 + 212369209.

It is an arithmetic number, because the mean of its divisors is an integer number (212369209).

Almost surely, 2^424738417 is an apocalyptic number.

It is an amenable number.

424738417 is a deficient number, since it is larger than the sum of its proper divisors (1).

424738417 is an equidigital number, since it uses as much as digits as its factorization.

424738417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 40.

The square root of 424738417 is about 20609.1828319320. The cubic root of 424738417 is about 751.6930150946.

The spelling of 424738417 in words is "four hundred twenty-four million, seven hundred thirty-eight thousand, four hundred seventeen".