4391383220 has 48 divisors (see below), whose sum is σ = 11159285760. Its totient is φ = 1417050624.

The previous prime is 4391383181. The next prime is 4391383231. The reversal of 4391383220 is 223831934.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920180 + ... + 924939.

It is an arithmetic number, because the mean of its divisors is an integer number (232485120).

Almost surely, 2^4391383220 is an apocalyptic number.

It is an amenable number.

4391383220 is an abundant number, since it is smaller than the sum of its proper divisors (6767902540).

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

4391383220 is a wasteful number, since it uses less digits than its factorization.

4391383220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845152 (or 1845150 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 4391383220 is about 66267.5125532866. The cubic root of 4391383220 is about 1637.5721586600.

The spelling of 4391383220 in words is "four billion, three hundred ninety-one million, three hundred eighty-three thousand, two hundred twenty".