2134340 has 24 divisors (see below), whose sum is σ = 4827480. Its totient is φ = 787968.

The previous prime is 2134339. The next prime is 2134351. The reversal of 2134340 is 434312.

2134340 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 2096704 = 194^2 + 1448^2 .

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, 3845 + ... + 4364.

It is an arithmetic number, because the mean of its divisors is an integer number (201145).

2^2134340 is an apocalyptic number.

2134340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134340 is an abundant number, since it is smaller than the sum of its proper divisors (2693140).

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

2134340 is a wasteful number, since it uses less digits than its factorization.

2134340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231 (or 8229 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2134340 is about 1460.9380548127. The cubic root of 2134340 is about 128.7521632213.

Adding to 2134340 its reverse (434312), we get a palindrome (2568652).

The spelling of 2134340 in words is "two million, one hundred thirty-four thousand, three hundred forty".