449375247 has 12 divisors (see below), whose sum is σ = 649641720. Its totient is φ = 299332368.

The previous prime is 449375243. The next prime is 449375257. The reversal of 449375247 is 742573944.

It is not a de Polignac number, because 449375247 - 2² = 449375243 is a prime.

It is a super-2 number, since 2×449375247² = 403876225232622018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449375243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9253 + ... + 31374.

It is an arithmetic number, because the mean of its divisors is an integer number (54136810).

Almost surely, 2^449375247 is an apocalyptic number.

449375247 is a deficient number, since it is larger than the sum of its proper divisors (200266473).

449375247 is a wasteful number, since it uses less digits than its factorization.

449375247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41862 (or 41859 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 449375247 is about 21198.4727515923. The cubic root of 449375247 is about 765.9546354708.

The spelling of 449375247 in words is "four hundred forty-nine million, three hundred seventy-five thousand, two hundred forty-seven".