2104340 has 24 divisors (see below), whose sum is σ = 5050752. Its totient is φ = 721440.

The previous prime is 2104337. The next prime is 2104343. The reversal of 2104340 is 434012.

It is an interprime number because it is at equal distance from previous prime (2104337) and next prime (2104343).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104343) 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, 7376 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (210448).

2^2104340 is an apocalyptic number.

2104340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104340 is an abundant number, since it is smaller than the sum of its proper divisors (2946412).

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

2104340 is a wasteful number, since it uses less digits than its factorization.

2104340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15047 (or 15045 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2104340 is about 1450.6343440027. The cubic root of 2104340 is about 128.1460734721.

Subtracting from 2104340 its sum of digits (14), we obtain a triangular number (2104326 = T₂₀₅₁).

Adding to 2104340 its reverse (434012), we get a palindrome (2538352).

The spelling of 2104340 in words is "two million, one hundred four thousand, three hundred forty".