65384448 has 104 divisors (see below), whose sum is σ = 185182128. Its totient is φ = 20447232.

The previous prime is 65384447. The next prime is 65384489. The reversal of 65384448 is 84448356.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65384443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208740 + ... + 209052.

Almost surely, 2^65384448 is an apocalyptic number.

65384448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65384448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92591064).

65384448 is an abundant number, since it is smaller than the sum of its proper divisors (119797680).

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

65384448 is a wasteful number, since it uses less digits than its factorization.

65384448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 335 counting only the distinct ones).

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

The square root of 65384448 is about 8086.0650504433. The cubic root of 65384448 is about 402.8637155725.

The spelling of 65384448 in words is "sixty-five million, three hundred eighty-four thousand, four hundred forty-eight".