1939694 has 16 divisors (see below), whose sum is σ = 3071520. Its totient is φ = 917280.

The previous prime is 1939681. The next prime is 1939699. The reversal of 1939694 is 4969391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939699) 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 7 ways as a sum of consecutive naturals, for example, 2759 + ... + 3389.

It is an arithmetic number, because the mean of its divisors is an integer number (191970).

2^1939694 is an apocalyptic number.

1939694 is a deficient number, since it is larger than the sum of its proper divisors (1131826).

1939694 is a wasteful number, since it uses less digits than its factorization.

1939694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its digits is 52488, while the sum is 41.

The square root of 1939694 is about 1392.7289757882. The cubic root of 1939694 is about 124.7128126929.

The spelling of 1939694 in words is "one million, nine hundred thirty-nine thousand, six hundred ninety-four".