4380000 has 120 divisors (see below), whose sum is σ = 14564088. Its totient is φ = 1152000.

The previous prime is 4379987. The next prime is 4380001. The reversal of 4380000 is 834.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59964 + ... + 60036.

Almost surely, 2^4380000 is an apocalyptic number.

4380000 is a gapful number since it is divisible by the number (40) 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 4380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7282044).

4380000 is an abundant number, since it is smaller than the sum of its proper divisors (10184088).

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

4380000 is an equidigital number, since it uses as much as digits as its factorization.

4380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4380000 is about 2092.8449536456. The cubic root of 4380000 is about 163.6155978138.

Adding to 4380000 its reverse (834), we get a palindrome (4380834).

The spelling of 4380000 in words is "four million, three hundred eighty thousand".