7939413 has 6 divisors (see below), whose sum is σ = 11468054. Its totient is φ = 5292936.

The previous prime is 7939411. The next prime is 7939447. The reversal of 7939413 is 3149397.

It can be written as a sum of positive squares in only one way, i.e., 7851204 + 88209 = 2802^2 + 297^2 .

It is not a de Polignac number, because 7939413 - 2¹ = 7939411 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7939411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441070 + ... + 441087.

Almost surely, 2^7939413 is an apocalyptic number.

It is an amenable number.

7939413 is a deficient number, since it is larger than the sum of its proper divisors (3528641).

7939413 is a wasteful number, since it uses less digits than its factorization.

7939413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882163 (or 882160 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 7939413 is about 2817.6963995434. The cubic root of 7939413 is about 199.4938283654.

The spelling of 7939413 in words is "seven million, nine hundred thirty-nine thousand, four hundred thirteen".