7828993 has 8 divisors (see below), whose sum is σ = 8650368. Its totient is φ = 7047744.

The previous prime is 7828987. The next prime is 7828999. The reversal of 7828993 is 3998287.

7828993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7828987) and next prime (7828999).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7828993 is a prime.

It is a super-2 number, since 2×7828993² = 122586262788098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7828999) 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, 9621 + ... + 10402.

It is an arithmetic number, because the mean of its divisors is an integer number (1081296).

Almost surely, 2^7828993 is an apocalyptic number.

It is an amenable number.

7828993 is a deficient number, since it is larger than the sum of its proper divisors (821375).

7828993 is a wasteful number, since it uses less digits than its factorization.

7828993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20063.

The product of its digits is 217728, while the sum is 46.

The square root of 7828993 is about 2798.0337739205. The cubic root of 7828993 is about 198.5646653815.

The spelling of 7828993 in words is "seven million, eight hundred twenty-eight thousand, nine hundred ninety-three".