2390220 has 108 divisors (see below), whose sum is σ = 8465184. Its totient is φ = 544320.

The previous prime is 2390207. The next prime is 2390221. The reversal of 2390220 is 220932.

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

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2390193 and 2390202.

It is not an unprimeable number, because it can be changed into a prime (2390221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8685 + ... + 8955.

2^2390220 is an apocalyptic number.

2390220 is a gapful number since it is divisible by the number (20) 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 2390220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4232592).

2390220 is an abundant number, since it is smaller than the sum of its proper divisors (6074964).

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

2390220 is a wasteful number, since it uses less digits than its factorization.

2390220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2390220 is about 1546.0336348217. The cubic root of 2390220 is about 133.7044798075.

The spelling of 2390220 in words is "two million, three hundred ninety thousand, two hundred twenty".