1938946 has 16 divisors (see below), whose sum is σ = 3089088. Its totient is φ = 910800.

The previous prime is 1938907. The next prime is 1938949. The reversal of 1938946 is 6498391.

It is a junction number, because it is equal to n+sod(n) for n = 1938899 and 1938908.

It is not an unprimeable number, because it can be changed into a prime (1938949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (193068).

2^1938946 is an apocalyptic number.

1938946 is a deficient number, since it is larger than the sum of its proper divisors (1150142).

1938946 is a wasteful number, since it uses less digits than its factorization.

1938946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its digits is 46656, while the sum is 40.

The square root of 1938946 is about 1392.4604123637. The cubic root of 1938946 is about 124.6967797211.

The spelling of 1938946 in words is "one million, nine hundred thirty-eight thousand, nine hundred forty-six".