440103397 has 2 divisors, whose sum is σ = 440103398. Its totient is φ = 440103396.

The previous prime is 440103383. The next prime is 440103401. The reversal of 440103397 is 793301044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428034721 + 12068676 = 20689^2 + 3474^2 .

It is a cyclic number.

It is not a de Polignac number, because 440103397 - 2¹⁵ = 440070629 is a prime.

It is a Chen prime.

It is equal to p_23355724 and since 440103397 and 23355724 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440104397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220051698 + 220051699.

It is an arithmetic number, because the mean of its divisors is an integer number (220051699).

Almost surely, 2^440103397 is an apocalyptic number.

It is an amenable number.

440103397 is a deficient number, since it is larger than the sum of its proper divisors (1).

440103397 is an equidigital number, since it uses as much as digits as its factorization.

440103397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 440103397 is about 20978.6414479108. The cubic root of 440103397 is about 760.6500653460.

The spelling of 440103397 in words is "four hundred forty million, one hundred three thousand, three hundred ninety-seven".