1939312 has 20 divisors (see below), whose sum is σ = 3820936. Its totient is φ = 953280.

The previous prime is 1939307. The next prime is 1939313. The reversal of 1939312 is 2139391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 1969.

2^1939312 is an apocalyptic number.

It is an amenable number.

1939312 is a deficient number, since it is larger than the sum of its proper divisors (1881624).

1939312 is a wasteful number, since it uses less digits than its factorization.

1939312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2050 counting only the distinct ones).

The product of its digits is 1458, while the sum is 28.

The square root of 1939312 is about 1392.5918282110. The cubic root of 1939312 is about 124.7046252465.

The spelling of 1939312 in words is "one million, nine hundred thirty-nine thousand, three hundred twelve".