1880340 has 144 divisors (see below), whose sum is σ = 6792576. Its totient is φ = 380160.

The previous prime is 1880339. The next prime is 1880341. The reversal of 1880340 is 430881.

It is an interprime number because it is at equal distance from previous prime (1880339) and next prime (1880341).

It is a self number, because there is not a number n which added to its sum of digits gives 1880340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50802 + ... + 50838.

2^1880340 is an apocalyptic number.

1880340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1880340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3396288).

1880340 is an abundant number, since it is smaller than the sum of its proper divisors (4912236).

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

1880340 is a wasteful number, since it uses less digits than its factorization.

1880340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1880340 is about 1371.2548997178. The cubic root of 1880340 is about 123.4275556268.

The spelling of 1880340 in words is "one million, eight hundred eighty thousand, three hundred forty".