7934939 has 4 divisors (see below), whose sum is σ = 7947960. Its totient is φ = 7921920.

The previous prime is 7934929. The next prime is 7934957. The reversal of 7934939 is 9394397.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7934939 - 2⁴ = 7934923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7934939.

It is not an unprimeable number, because it can be changed into a prime (7934929) 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, 5549 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (1986990).

Almost surely, 2^7934939 is an apocalyptic number.

7934939 is a deficient number, since it is larger than the sum of its proper divisors (13021).

7934939 is a wasteful number, since it uses less digits than its factorization.

7934939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020.

The product of its digits is 183708, while the sum is 44.

The square root of 7934939 is about 2816.9023767252. The cubic root of 7934939 is about 199.4563485545.

The spelling of 7934939 in words is "seven million, nine hundred thirty-four thousand, nine hundred thirty-nine".