7938849 has 8 divisors (see below), whose sum is σ = 10608192. Its totient is φ = 5281040.

The previous prime is 7938839. The next prime is 7938851. The reversal of 7938849 is 9488397.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7938849 - 2¹¹ = 7936801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7938798 and 7938807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122 + ... + 4139.

It is an arithmetic number, because the mean of its divisors is an integer number (1326024).

Almost surely, 2^7938849 is an apocalyptic number.

It is an amenable number.

7938849 is a deficient number, since it is larger than the sum of its proper divisors (2669343).

7938849 is a wasteful number, since it uses less digits than its factorization.

7938849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767.

The product of its digits is 435456, while the sum is 48.

The square root of 7938849 is about 2817.5963160112. The cubic root of 7938849 is about 199.4891043729.

The spelling of 7938849 in words is "seven million, nine hundred thirty-eight thousand, eight hundred forty-nine".