64358946 has 48 divisors (see below), whose sum is σ = 145454400. Its totient is φ = 20541024.

The previous prime is 64358939. The next prime is 64358951. The reversal of 64358946 is 64985346.

64358946 is a `hidden beast` number, since 64 + 3 + 589 + 4 + 6 = 666.

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 72115 + ... + 73001.

It is an arithmetic number, because the mean of its divisors is an integer number (3030300).

Almost surely, 2^64358946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64358946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72727200).

64358946 is an abundant number, since it is smaller than the sum of its proper divisors (81095454).

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

64358946 is a wasteful number, since it uses less digits than its factorization.

64358946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1060 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 64358946 is about 8022.4027572791. The cubic root of 64358946 is about 400.7464104788.

The spelling of 64358946 in words is "sixty-four million, three hundred fifty-eight thousand, nine hundred forty-six".