7830396 has 108 divisors (see below), whose sum is σ = 24150672. Its totient is φ = 2128896.

The previous prime is 7830371. The next prime is 7830437. The reversal of 7830396 is 6930387.

It is a super-2 number, since 2×7830396² = 122630203033632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7830396.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 40476 + ... + 40668.

Almost surely, 2^7830396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7830396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12075336).

7830396 is an abundant number, since it is smaller than the sum of its proper divisors (16320276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7830396 is a wasteful number, since it uses less digits than its factorization.

7830396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 7830396 is about 2798.2844744593. The cubic root of 7830396 is about 198.5765259782.

Subtracting from 7830396 its reverse (6930387), we obtain a palindrome (900009).

The spelling of 7830396 in words is "seven million, eight hundred thirty thousand, three hundred ninety-six".