65894448 has 80 divisors (see below), whose sum is σ = 188130816. Its totient is φ = 19768320.

The previous prime is 65894401. The next prime is 65894449. The reversal of 65894448 is 84449856.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 65894397 and 65894406.

It is not an unprimeable number, because it can be changed into a prime (65894449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17013 + ... + 20523.

Almost surely, 2^65894448 is an apocalyptic number.

65894448 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 65894448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94065408).

65894448 is an abundant number, since it is smaller than the sum of its proper divisors (122236368).

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

65894448 is a wasteful number, since it uses less digits than its factorization.

65894448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 3556 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 65894448 is about 8117.5395286996. The cubic root of 65894448 is about 403.9084522821.

The spelling of 65894448 in words is "sixty-five million, eight hundred ninety-four thousand, four hundred forty-eight".