7829966 has 4 divisors (see below), whose sum is σ = 11744952. Its totient is φ = 3914982.

The previous prime is 7829963. The next prime is 7830007. The reversal of 7829966 is 6699287.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6699287 = 7 ⋅957041.

It is a super-2 number, since 2×7829966² = 122616735122312, which contains 22 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 7829966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7829963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957490 + ... + 1957493.

It is an arithmetic number, because the mean of its divisors is an integer number (2936238).

Almost surely, 2^7829966 is an apocalyptic number.

7829966 is a deficient number, since it is larger than the sum of its proper divisors (3914986).

7829966 is a wasteful number, since it uses less digits than its factorization.

7829966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914985.

The product of its digits is 326592, while the sum is 47.

The square root of 7829966 is about 2798.2076406157. The cubic root of 7829966 is about 198.5728910207.

The spelling of 7829966 in words is "seven million, eight hundred twenty-nine thousand, nine hundred sixty-six".