84942197 has 8 divisors (see below), whose sum is σ = 88729344. Its totient is φ = 81162928.

The previous prime is 84942191. The next prime is 84942203. The reversal of 84942197 is 79124948.

It is an interprime number because it is at equal distance from previous prime (84942191) and next prime (84942203).

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

It is a cyclic number.

It is not a de Polignac number, because 84942197 - 2²⁴ = 68164981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84942191) 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, 35243 + ... + 37575.

It is an arithmetic number, because the mean of its divisors is an integer number (11091168).

Almost surely, 2^84942197 is an apocalyptic number.

It is an amenable number.

84942197 is a deficient number, since it is larger than the sum of its proper divisors (3787147).

84942197 is a wasteful number, since it uses less digits than its factorization.

84942197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939.

The product of its digits is 145152, while the sum is 44.

The square root of 84942197 is about 9216.4091163533. The cubic root of 84942197 is about 439.5832779697.

The spelling of 84942197 in words is "eighty-four million, nine hundred forty-two thousand, one hundred ninety-seven".