1940742 has 24 divisors (see below), whose sum is σ = 4241016. Its totient is φ = 641376.

The previous prime is 1940713. The next prime is 1940747. The reversal of 1940742 is 2470491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2073 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (176709).

2^1940742 is an apocalyptic number.

1940742 is an abundant number, since it is smaller than the sum of its proper divisors (2300274).

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

1940742 is a wasteful number, since it uses less digits than its factorization.

1940742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 929 counting only the distinct ones).

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

The square root of 1940742 is about 1393.1051647309. The cubic root of 1940742 is about 124.7352690694.

The spelling of 1940742 in words is "one million, nine hundred forty thousand, seven hundred forty-two".