7828413 has 4 divisors (see below), whose sum is σ = 10437888. Its totient is φ = 5218940.

The previous prime is 7828411. The next prime is 7828421. The reversal of 7828413 is 3148287.

7828413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3148287 = 3 ⋅1049429.

It is a cyclic number.

It is not a de Polignac number, because 7828413 - 2¹ = 7828411 is a prime.

It is a super-2 number, since 2×7828413² = 122568100197138, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7828411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304733 + ... + 1304738.

It is an arithmetic number, because the mean of its divisors is an integer number (2609472).

Almost surely, 2^7828413 is an apocalyptic number.

It is an amenable number.

7828413 is a deficient number, since it is larger than the sum of its proper divisors (2609475).

7828413 is a wasteful number, since it uses less digits than its factorization.

7828413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609474.

The product of its digits is 10752, while the sum is 33.

The square root of 7828413 is about 2797.9301277909. The cubic root of 7828413 is about 198.5597617985.

The spelling of 7828413 in words is "seven million, eight hundred twenty-eight thousand, four hundred thirteen".