4027320 has 160 divisors (see below), whose sum is σ = 14897520. Its totient is φ = 967680.

The previous prime is 4027291. The next prime is 4027367. The reversal of 4027320 is 237204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4027293 and 4027302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35584 + ... + 35696.

Almost surely, 2^4027320 is an apocalyptic number.

4027320 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 4027320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7448760).

4027320 is an abundant number, since it is smaller than the sum of its proper divisors (10870200).

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

4027320 is a wasteful number, since it uses less digits than its factorization.

4027320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 4027320 is about 2006.8183774323. The cubic root of 4027320 is about 159.1006838274.

The spelling of 4027320 in words is "four million, twenty-seven thousand, three hundred twenty".