197694 has 32 divisors (see below), whose sum is σ = 503040. Its totient is φ = 56376.

The previous prime is 197689. The next prime is 197699. The reversal of 197694 is 496791.

It is an interprime number because it is at equal distance from previous prime (197689) and next prime (197699).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197699) by changing a digit.

197694 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117 + ... + 639.

It is an arithmetic number, because the mean of its divisors is an integer number (15720).

2¹⁹⁷⁶⁹⁴ is an apocalyptic number.

197694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251520).

197694 is an abundant number, since it is smaller than the sum of its proper divisors (305346).

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

197694 is a wasteful number, since it uses less digits than its factorization.

197694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 535 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 197694 is about 444.6279343451. The cubic root of 197694 is about 58.2547258656.

The spelling of 197694 in words is "one hundred ninety-seven thousand, six hundred ninety-four".