436481 has 2 divisors, whose sum is σ = 436482. Its totient is φ = 436480.

The previous prime is 436477. The next prime is 436483. The reversal of 436481 is 184634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 410881 + 25600 = 641^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 436481 - 2² = 436477 is a prime.

It is a super-2 number, since 2×436481² = 381031326722, which contains 22 as substring.

Together with 436483, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 436481.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 436481.

It is not a weakly prime, because it can be changed into another prime (436483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218240 + 218241.

It is an arithmetic number, because the mean of its divisors is an integer number (218241).

2⁴³⁶⁴⁸¹ is an apocalyptic number.

It is an amenable number.

436481 is a deficient number, since it is larger than the sum of its proper divisors (1).

436481 is an equidigital number, since it uses as much as digits as its factorization.

436481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 436481 is about 660.6670871173. The cubic root of 436481 is about 75.8557397327.

It can be divided in two parts, 4 and 36481, that multiplied together give a square (145924 = 382²).

The spelling of 436481 in words is "four hundred thirty-six thousand, four hundred eighty-one".