64358844 has 48 divisors (see below), whose sum is σ = 166091520. Its totient is φ = 19232640.

The previous prime is 64358803. The next prime is 64358863. The reversal of 64358844 is 44885346.

It is a junction number, because it is equal to n+sod(n) for n = 64358796 and 64358805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6297 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (3460240).

Almost surely, 2^64358844 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 64358844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83045760).

64358844 is an abundant number, since it is smaller than the sum of its proper divisors (101732676).

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

64358844 is a wasteful number, since it uses less digits than its factorization.

64358844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770 (or 6768 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 64358844 is about 8022.3964000790. The cubic root of 64358844 is about 400.7461987695.

The spelling of 64358844 in words is "sixty-four million, three hundred fifty-eight thousand, eight hundred forty-four".