1940906 has 8 divisors (see below), whose sum is σ = 3176064. Its totient is φ = 882220.

The previous prime is 1940903. The next prime is 1940929. The reversal of 1940906 is 6090491.

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

It is a super-2 number, since 2×1940906² = 7534232201672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1940903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 44090 + ... + 44133.

It is an arithmetic number, because the mean of its divisors is an integer number (397008).

2^1940906 is an apocalyptic number.

1940906 is a deficient number, since it is larger than the sum of its proper divisors (1235158).

1940906 is a wasteful number, since it uses less digits than its factorization.

1940906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88236.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1940906 is about 1393.1640248011. The cubic root of 1940906 is about 124.7387825036.

The spelling of 1940906 in words is "one million, nine hundred forty thousand, nine hundred six".