1834320 has 40 divisors (see below), whose sum is σ = 5687136. Its totient is φ = 489088.

The previous prime is 1834309. The next prime is 1834321. The reversal of 1834320 is 234381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3582 + ... + 4061.

2^1834320 is an apocalyptic number.

1834320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1834320 is an abundant number, since it is smaller than the sum of its proper divisors (3852816).

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

1834320 is a wasteful number, since it uses less digits than its factorization.

1834320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659 (or 7653 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1834320 is about 1354.3707025774. The cubic root of 1834320 is about 122.4122931820.

The spelling of 1834320 in words is "one million, eight hundred thirty-four thousand, three hundred twenty".