426004417 has 2 divisors, whose sum is σ = 426004418. Its totient is φ = 426004416.

The previous prime is 426004399. The next prime is 426004429. The reversal of 426004417 is 714400624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351337536 + 74666881 = 18744^2 + 8641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426004417 is a prime.

It is not a weakly prime, because it can be changed into another prime (426004457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213002208 + 213002209.

It is an arithmetic number, because the mean of its divisors is an integer number (213002209).

Almost surely, 2^426004417 is an apocalyptic number.

It is an amenable number.

426004417 is a deficient number, since it is larger than the sum of its proper divisors (1).

426004417 is an equidigital number, since it uses as much as digits as its factorization.

426004417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 426004417 is about 20639.8744424476. The cubic root of 426004417 is about 752.4391209123.

The spelling of 426004417 in words is "four hundred twenty-six million, four thousand, four hundred seventeen".