2134420 has 12 divisors (see below), whose sum is σ = 4482324. Its totient is φ = 853760.

The previous prime is 2134417. The next prime is 2134439. The reversal of 2134420 is 244312.

It can be written as a sum of positive squares in 2 ways, for example, as 1089936 + 1044484 = 1044^2 + 1022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2134394 and 2134403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53341 + ... + 53380.

It is an arithmetic number, because the mean of its divisors is an integer number (373527).

2^2134420 is an apocalyptic number.

2134420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134420 is an abundant number, since it is smaller than the sum of its proper divisors (2347904).

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

2134420 is a wasteful number, since it uses less digits than its factorization.

2134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106730 (or 106728 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2134420 is about 1460.9654342249. The cubic root of 2134420 is about 128.7537718441.

Adding to 2134420 its reverse (244312), we get a palindrome (2378732).

The spelling of 2134420 in words is "two million, one hundred thirty-four thousand, four hundred twenty".