440869349 has 2 divisors, whose sum is σ = 440869350. Its totient is φ = 440869348.

The previous prime is 440869337. The next prime is 440869361. The reversal of 440869349 is 943968044.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (440869337) and next prime (440869361).

It can be written as a sum of positive squares in only one way, i.e., 433389124 + 7480225 = 20818^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 440869349 - 2⁴ = 440869333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440869379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220434674 + 220434675.

It is an arithmetic number, because the mean of its divisors is an integer number (220434675).

Almost surely, 2^440869349 is an apocalyptic number.

It is an amenable number.

440869349 is a deficient number, since it is larger than the sum of its proper divisors (1).

440869349 is an equidigital number, since it uses as much as digits as its factorization.

440869349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 440869349 is about 20996.8890314732. The cubic root of 440869349 is about 761.0910857766.

It can be divided in two parts, 44086 and 9349, that added together give a palindrome (53435).

The spelling of 440869349 in words is "four hundred forty million, eight hundred sixty-nine thousand, three hundred forty-nine".