2418820 has 12 divisors (see below), whose sum is σ = 5079564. Its totient is φ = 967520.

The previous prime is 2418799. The next prime is 2418821. The reversal of 2418820 is 288142.

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 692224 = 1314^2 + 832^2 .

It is not an unprimeable number, because it can be changed into a prime (2418821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60451 + ... + 60490.

It is an arithmetic number, because the mean of its divisors is an integer number (423297).

2^2418820 is an apocalyptic number.

2418820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2418820 is an abundant number, since it is smaller than the sum of its proper divisors (2660744).

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

2418820 is a wasteful number, since it uses less digits than its factorization.

2418820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120950 (or 120948 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2418820 is about 1555.2556060018. The cubic root of 2418820 is about 134.2356438821.

The spelling of 2418820 in words is "two million, four hundred eighteen thousand, eight hundred twenty".