427616426 has 16 divisors (see below), whose sum is σ = 670121640. Its totient is φ = 204388800.

The previous prime is 427616393. The next prime is 427616443. The reversal of 427616426 is 624616724.

It can be written as a sum of positive squares in 4 ways, for example, as 413919025 + 13697401 = 20345^2 + 3701^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 427616426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30641 + ... + 42356.

Almost surely, 2^427616426 is an apocalyptic number.

427616426 is a deficient number, since it is larger than the sum of its proper divisors (242505214).

427616426 is a wasteful number, since it uses less digits than its factorization.

427616426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73129.

The product of its digits is 96768, while the sum is 38.

The square root of 427616426 is about 20678.8884130651. Note that the first 3 decimals coincide. The cubic root of 427616426 is about 753.3870077314.

It can be divided in two parts, 4276 and 16426, that added together give a palindrome (20702).

The spelling of 427616426 in words is "four hundred twenty-seven million, six hundred sixteen thousand, four hundred twenty-six".