7821796 has 12 divisors (see below), whose sum is σ = 14129920. Its totient is φ = 3784680.

The previous prime is 7821791. The next prime is 7821797. The reversal of 7821796 is 6971287.

It is a super-2 number, since 2×7821796² = 122360985331232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7821791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31416 + ... + 31663.

Almost surely, 2^7821796 is an apocalyptic number.

It is an amenable number.

7821796 is a deficient number, since it is larger than the sum of its proper divisors (6308124).

7821796 is a wasteful number, since it uses less digits than its factorization.

7821796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63114 (or 63112 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 7821796 is about 2796.7473965305. The cubic root of 7821796 is about 198.5038015290.

The spelling of 7821796 in words is "seven million, eight hundred twenty-one thousand, seven hundred ninety-six".