1940547 has 24 divisors (see below), whose sum is σ = 3089856. Its totient is φ = 1079568.

The previous prime is 1940537. The next prime is 1940551. The reversal of 1940547 is 7450491.

It is a happy number.

It is not a de Polignac number, because 1940547 - 2⁶ = 1940483 is a prime.

1940547 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1940537) 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 23 ways as a sum of consecutive naturals, for example, 6168 + ... + 6474.

It is an arithmetic number, because the mean of its divisors is an integer number (128744).

2^1940547 is an apocalyptic number.

1940547 is a deficient number, since it is larger than the sum of its proper divisors (1149309).

1940547 is a wasteful number, since it uses less digits than its factorization.

1940547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1940547 is about 1393.0351754353. The cubic root of 1940547 is about 124.7310912529.

The spelling of 1940547 in words is "one million, nine hundred forty thousand, five hundred forty-seven".