4380646 has 8 divisors (see below), whose sum is σ = 6600600. Its totient is φ = 2180448.

The previous prime is 4380637. The next prime is 4380647. The reversal of 4380646 is 6460834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4371 + ... + 5278.

It is an arithmetic number, because the mean of its divisors is an integer number (825075).

Almost surely, 2^4380646 is an apocalyptic number.

4380646 is a deficient number, since it is larger than the sum of its proper divisors (2219954).

4380646 is a wasteful number, since it uses less digits than its factorization.

4380646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4380646 is about 2092.9992833252. Note that the first 3 decimals coincide. The cubic root of 4380646 is about 163.6236412294.

The spelling of 4380646 in words is "four million, three hundred eighty thousand, six hundred forty-six".