2113420 has 24 divisors (see below), whose sum is σ = 4466448. Its totient is φ = 840000.

The previous prime is 2113417. The next prime is 2113421. The reversal of 2113420 is 243112.

It is a self number, because there is not a number n which added to its sum of digits gives 2113420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (186102).

2^2113420 is an apocalyptic number.

2113420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113420 is an abundant number, since it is smaller than the sum of its proper divisors (2353028).

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

2113420 is a wasteful number, since it uses less digits than its factorization.

2113420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2113420 is about 1453.7606405458. The cubic root of 2113420 is about 128.3301211692.

Adding to 2113420 its reverse (243112), we get a palindrome (2356532).

The spelling of 2113420 in words is "two million, one hundred thirteen thousand, four hundred twenty".