7964039 has 2 divisors, whose sum is σ = 7964040. Its totient is φ = 7964038.

The previous prime is 7964029. The next prime is 7964051. The reversal of 7964039 is 9304697.

It is a weak prime.

It is an emirp because it is prime and its reverse (9304697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7964039 - 2⁴ = 7964023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7963993 and 7964011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7964029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3982019 + 3982020.

It is an arithmetic number, because the mean of its divisors is an integer number (3982020).

Almost surely, 2^7964039 is an apocalyptic number.

7964039 is a deficient number, since it is larger than the sum of its proper divisors (1).

7964039 is an equidigital number, since it uses as much as digits as its factorization.

7964039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 7964039 is about 2822.0628979525. The cubic root of 7964039 is about 199.6998748498.

The spelling of 7964039 in words is "seven million, nine hundred sixty-four thousand, thirty-nine".