440850997 has 2 divisors, whose sum is σ = 440850998. Its totient is φ = 440850996.

The previous prime is 440850973. The next prime is 440851013. The reversal of 440850997 is 799058044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364008241 + 76842756 = 19079^2 + 8766^2 .

It is a cyclic number.

It is not a de Polignac number, because 440850997 - 2¹¹ = 440848949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440850947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220425498 + 220425499.

It is an arithmetic number, because the mean of its divisors is an integer number (220425499).

Almost surely, 2^440850997 is an apocalyptic number.

It is an amenable number.

440850997 is a deficient number, since it is larger than the sum of its proper divisors (1).

440850997 is an equidigital number, since it uses as much as digits as its factorization.

440850997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 440850997 is about 20996.4520098039. The cubic root of 440850997 is about 761.0805250232.

The spelling of 440850997 in words is "four hundred forty million, eight hundred fifty thousand, nine hundred ninety-seven".