4378860 has 144 divisors (see below), whose sum is σ = 14859936. Its totient is φ = 1078272.

The previous prime is 4378837. The next prime is 4378897. The reversal of 4378860 is 688734.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82594 + ... + 82646.

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

Almost surely, 2^4378860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4378860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7429968).

4378860 is an abundant number, since it is smaller than the sum of its proper divisors (10481076).

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

4378860 is a wasteful number, since it uses less digits than its factorization.

4378860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 80 counting only the distinct ones).

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

The square root of 4378860 is about 2092.5725793864. The cubic root of 4378860 is about 163.6014016216.

The spelling of 4378860 in words is "four million, three hundred seventy-eight thousand, eight hundred sixty".