1943120 has 40 divisors (see below), whose sum is σ = 4580064. Its totient is φ = 766592.

The previous prime is 1943107. The next prime is 1943131. The reversal of 1943120 is 213491.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1943092 and 1943101.

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, 8447 + ... + 8673.

2^1943120 is an apocalyptic number.

1943120 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 1943120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290032).

1943120 is an abundant number, since it is smaller than the sum of its proper divisors (2636944).

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

1943120 is a wasteful number, since it uses less digits than its factorization.

1943120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1943120 is about 1393.9583924924. The cubic root of 1943120 is about 124.7861945062.

The spelling of 1943120 in words is "one million, nine hundred forty-three thousand, one hundred twenty".