1940724 has 72 divisors (see below), whose sum is σ = 5311488. Its totient is φ = 596160.

The previous prime is 1940713. The next prime is 1940747. The reversal of 1940724 is 4270491.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 41269 + ... + 41315.

2^1940724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655744).

1940724 is an abundant number, since it is smaller than the sum of its proper divisors (3370764).

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

1940724 is a wasteful number, since it uses less digits than its factorization.

1940724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1940724 is about 1393.0987043279. The cubic root of 1940724 is about 124.7348834365.

The spelling of 1940724 in words is "one million, nine hundred forty thousand, seven hundred twenty-four".