4393980 has 96 divisors (see below), whose sum is σ = 13977600. Its totient is φ = 1145664.

The previous prime is 4393979. The next prime is 4393981. The reversal of 4393980 is 893934.

It is an interprime number because it is at equal distance from previous prime (4393979) and next prime (4393981).

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 (4393981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42609 + ... + 42711.

It is an arithmetic number, because the mean of its divisors is an integer number (145600).

Almost surely, 2^4393980 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 4393980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6988800).

4393980 is an abundant number, since it is smaller than the sum of its proper divisors (9583620).

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

4393980 is a wasteful number, since it uses less digits than its factorization.

4393980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 4393980 is about 2096.1822439855. The cubic root of 4393980 is about 163.7894879808.

The spelling of 4393980 in words is "four million, three hundred ninety-three thousand, nine hundred eighty".