4463778 has 32 divisors (see below), whose sum is σ = 9953280. Its totient is φ = 1322960.

The previous prime is 4463773. The next prime is 4463779. The reversal of 4463778 is 8773644.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4463773) 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, 2383 + ... + 3821.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

Almost surely, 2^4463778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4463778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4976640).

4463778 is an abundant number, since it is smaller than the sum of its proper divisors (5489502).

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

4463778 is a wasteful number, since it uses less digits than its factorization.

4463778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its digits is 112896, while the sum is 39.

The square root of 4463778 is about 2112.7654862762. The cubic root of 4463778 is about 164.6521966738.

It can be divided in two parts, 446 and 3778, that added together give a palindrome (4224).

The spelling of 4463778 in words is "four million, four hundred sixty-three thousand, seven hundred seventy-eight".