1939712 has 18 divisors (see below), whose sum is σ = 3872358. Its totient is φ = 969728.

The previous prime is 1939711. The next prime is 1939727. The reversal of 1939712 is 2179391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 891136 = 1024^2 + 944^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1939711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533 + ... + 4044.

It is an arithmetic number, because the mean of its divisors is an integer number (215131).

2^1939712 is an apocalyptic number.

It is an amenable number.

1939712 is a deficient number, since it is larger than the sum of its proper divisors (1932646).

1939712 is an frugal number, since it uses more digits than its factorization.

1939712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593 (or 7579 counting only the distinct ones).

The product of its digits is 3402, while the sum is 32.

The square root of 1939712 is about 1392.7354379063. The cubic root of 1939712 is about 124.7131984623.

The spelling of 1939712 in words is "one million, nine hundred thirty-nine thousand, seven hundred twelve".