2018420 has 24 divisors (see below), whose sum is σ = 4339104. Its totient is φ = 788256.

The previous prime is 2018413. The next prime is 2018437. The reversal of 2018420 is 248102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 2033.

It is an arithmetic number, because the mean of its divisors is an integer number (180796).

2^2018420 is an apocalyptic number.

2018420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018420 is an abundant number, since it is smaller than the sum of its proper divisors (2320684).

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

2018420 is a wasteful number, since it uses less digits than its factorization.

2018420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2018420 is about 1420.7110895604. The cubic root of 2018420 is about 126.3777193276.

The spelling of 2018420 in words is "two million, eighteen thousand, four hundred twenty".