1940006 has 8 divisors (see below), whose sum is σ = 3081240. Its totient is φ = 912928.

The previous prime is 1939999. The next prime is 1940041. The reversal of 1940006 is 6000491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1940006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28496 + ... + 28563.

It is an arithmetic number, because the mean of its divisors is an integer number (385155).

2^1940006 is an apocalyptic number.

1940006 is a deficient number, since it is larger than the sum of its proper divisors (1141234).

1940006 is a wasteful number, since it uses less digits than its factorization.

1940006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57078.

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

The square root of 1940006 is about 1392.8409815912. The cubic root of 1940006 is about 124.7194990244.

Adding to 1940006 its reverse (6000491), we get a palindrome (7940497).

The spelling of 1940006 in words is "one million, nine hundred forty thousand, six".