1941840 has 160 divisors (see below), whose sum is σ = 7142400. Its totient is φ = 483840.

The previous prime is 1941839. The next prime is 1941851. The reversal of 1941840 is 481491.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62625 + ... + 62655.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2^1941840 is an apocalyptic number.

1941840 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 1941840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571200).

1941840 is an abundant number, since it is smaller than the sum of its proper divisors (5200560).

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

1941840 is a wasteful number, since it uses less digits than its factorization.

1941840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1941840 is about 1393.4991926801. The cubic root of 1941840 is about 124.7587881676.

The spelling of 1941840 in words is "one million, nine hundred forty-one thousand, eight hundred forty".