920441 has 2 divisors, whose sum is σ = 920442.
Its totient is φ = 920440.
The previous prime is 920419. The next prime is 920443. The reversal of 920441 is 144029.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 606841 + 313600 = 779^2 + 560^2
It is a cyclic number.
It is not a de Polignac number, because 920441 - 26 = 920377 is a prime.
Together with 920443, it forms a pair of twin primes.
It is a Chen prime.
It is an Ulam number.
It is not a weakly prime, because it can be changed into another prime (920443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460220 + 460221.
It is an arithmetic number, because the mean of its divisors is an integer number (460221).
2920441 is an apocalyptic number.
It is an amenable number.
920441 is a deficient number, since it is larger than the sum of its proper divisors (1).
920441 is an equidigital number, since it uses as much as digits as its factorization.
920441 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 920441 is about 959.3961642617.
The cubic root of 920441 is about 97.2744204175.
The spelling of 920441 in words is "nine hundred twenty thousand, four hundred forty-one".