84197966 has 8 divisors (see below), whose sum is σ = 126370200. Its totient is φ = 42074568.

The previous prime is 84197959. The next prime is 84197983. The reversal of 84197966 is 66979148.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7541 + ... + 15008.

It is an arithmetic number, because the mean of its divisors is an integer number (15796275).

Almost surely, 2^84197966 is an apocalyptic number.

84197966 is a deficient number, since it is larger than the sum of its proper divisors (42172234).

84197966 is a wasteful number, since it uses less digits than its factorization.

84197966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24418.

The product of its digits is 653184, while the sum is 50.

The square root of 84197966 is about 9175.9449649614. The cubic root of 84197966 is about 438.2956900532.

The spelling of 84197966 in words is "eighty-four million, one hundred ninety-seven thousand, nine hundred sixty-six".