64363446 has 48 divisors (see below), whose sum is σ = 160246944. Its totient is φ = 18289152.

The previous prime is 64363391. The next prime is 64363447. The reversal of 64363446 is 64436346.

64363446 is a `hidden beast` number, since 643 + 6 + 3 + 4 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64363446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64363447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23526 + ... + 26118.

It is an arithmetic number, because the mean of its divisors is an integer number (3338478).

Almost surely, 2^64363446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64363446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80123472).

64363446 is an abundant number, since it is smaller than the sum of its proper divisors (95883498).

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

64363446 is a wasteful number, since it uses less digits than its factorization.

64363446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805 (or 2802 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 64363446 is about 8022.6832169792. The cubic root of 64363446 is about 400.7557503708.

Subtracting 64363446 from its reverse (64436346), we obtain a square (72900 = 270²).

The spelling of 64363446 in words is "sixty-four million, three hundred sixty-three thousand, four hundred forty-six".