63449244 has 48 divisors (see below), whose sum is σ = 166551840. Its totient is φ = 21146832.

The previous prime is 63449237. The next prime is 63449251. The reversal of 63449244 is 44294436.

It is an interprime number because it is at equal distance from previous prime (63449237) and next prime (63449251).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 63449199 and 63449208.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5122 + ... + 12374.

It is an arithmetic number, because the mean of its divisors is an integer number (3469830).

Almost surely, 2^63449244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63449244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83275920).

63449244 is an abundant number, since it is smaller than the sum of its proper divisors (103102596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63449244 is an equidigital number, since it uses as much as digits as its factorization.

63449244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278 (or 7258 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 63449244 is about 7965.5033739243. The cubic root of 63449244 is about 398.8492844755.

The spelling of 63449244 in words is "sixty-three million, four hundred forty-nine thousand, two hundred forty-four".