1339641 has 12 divisors (see below), whose sum is σ = 1976832. Its totient is φ = 873816.

The previous prime is 1339631. The next prime is 1339643. The reversal of 1339641 is 1469331.

1339641 is a `hidden beast` number, since 13 + 3 + 9 + 641 = 666.

It is not a de Polignac number, because 1339641 - 2⁶ = 1339577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1339643) 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 11 ways as a sum of consecutive naturals, for example, 1161 + ... + 2006.

It is an arithmetic number, because the mean of its divisors is an integer number (164736).

2^1339641 is an apocalyptic number.

It is an amenable number.

1339641 is a deficient number, since it is larger than the sum of its proper divisors (637191).

1339641 is a wasteful number, since it uses less digits than its factorization.

1339641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220 (or 3217 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1339641 is about 1157.4286155094. The cubic root of 1339641 is about 110.2375307909.

The spelling of 1339641 in words is "one million, three hundred thirty-nine thousand, six hundred forty-one".