424894117 has 2 divisors, whose sum is σ = 424894118. Its totient is φ = 424894116.

The previous prime is 424894079. The next prime is 424894139. The reversal of 424894117 is 711498424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255008961 + 169885156 = 15969^2 + 13034^2 .

It is a cyclic number.

It is not a de Polignac number, because 424894117 - 2²⁷ = 290676389 is a prime.

It is a super-2 number, since 2×424894117² = 361070021322419378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 424894117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424894187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212447058 + 212447059.

It is an arithmetic number, because the mean of its divisors is an integer number (212447059).

Almost surely, 2^424894117 is an apocalyptic number.

It is an amenable number.

424894117 is a deficient number, since it is larger than the sum of its proper divisors (1).

424894117 is an equidigital number, since it uses as much as digits as its factorization.

424894117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 424894117 is about 20612.9599281617. The cubic root of 424894117 is about 751.7848553892.

The spelling of 424894117 in words is "four hundred twenty-four million, eight hundred ninety-four thousand, one hundred seventeen".