1941720 has 64 divisors (see below), whose sum is σ = 6359040. Its totient is φ = 470400.

The previous prime is 1941707. The next prime is 1941721. The reversal of 1941720 is 271491.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (99360).

2^1941720 is an apocalyptic number.

1941720 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 1941720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3179520).

1941720 is an abundant number, since it is smaller than the sum of its proper divisors (4417320).

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

1941720 is a wasteful number, since it uses less digits than its factorization.

1941720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1941720 is about 1393.4561349393. The cubic root of 1941720 is about 124.7562182059.

The spelling of 1941720 in words is "one million, nine hundred forty-one thousand, seven hundred twenty".