1939684 has 12 divisors (see below), whose sum is σ = 3452400. Its totient is φ = 953288.

The previous prime is 1939681. The next prime is 1939699. The reversal of 1939684 is 4869391.

It is not an unprimeable number, because it can be changed into a prime (1939681) 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 3 ways as a sum of consecutive naturals, for example, 3874 + ... + 4345.

It is an arithmetic number, because the mean of its divisors is an integer number (287700).

2^1939684 is an apocalyptic number.

It is an amenable number.

1939684 is a deficient number, since it is larger than the sum of its proper divisors (1512716).

1939684 is a wasteful number, since it uses less digits than its factorization.

1939684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282 (or 8280 counting only the distinct ones).

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

The square root of 1939684 is about 1392.7253857096. The cubic root of 1939684 is about 124.7125983756.

The spelling of 1939684 in words is "one million, nine hundred thirty-nine thousand, six hundred eighty-four".