197974 has 16 divisors (see below), whose sum is σ = 345600. Its totient is φ = 83304.

The previous prime is 197971. The next prime is 198013. The reversal of 197974 is 479791.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197971) 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, 1017 + ... + 1195.

It is an arithmetic number, because the mean of its divisors is an integer number (21600).

2¹⁹⁷⁹⁷⁴ is an apocalyptic number.

197974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

197974 is a deficient number, since it is larger than the sum of its proper divisors (147626).

197974 is a wasteful number, since it uses less digits than its factorization.

197974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its digits is 15876, while the sum is 37.

The square root of 197974 is about 444.9426929392. The cubic root of 197974 is about 58.2822155358.

The spelling of 197974 in words is "one hundred ninety-seven thousand, nine hundred seventy-four".