4380768 has 144 divisors (see below), whose sum is σ = 14859936. Its totient is φ = 1198080.

The previous prime is 4380767. The next prime is 4380793. The reversal of 4380768 is 8670834.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×4380768² = 38382256539648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82630 + ... + 82682.

It is an arithmetic number, because the mean of its divisors is an integer number (103194).

Almost surely, 2^4380768 is an apocalyptic number.

4380768 is a gapful number since it is divisible by the number (48) 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 4380768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7429968).

4380768 is an abundant number, since it is smaller than the sum of its proper divisors (10479168).

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

4380768 is a wasteful number, since it uses less digits than its factorization.

4380768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4380768 is about 2093.0284279006. The cubic root of 4380768 is about 163.6251601757.

The spelling of 4380768 in words is "four million, three hundred eighty thousand, seven hundred sixty-eight".