199974 has 8 divisors (see below), whose sum is σ = 399960. Its totient is φ = 66656.

The previous prime is 199967. The next prime is 199999. The reversal of 199974 is 479991.

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

199974 is an admirable number.

It is a congruent number.

It is an unprimeable number.

199974 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 3 ways as a sum of consecutive naturals, for example, 16659 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (49995).

2¹⁹⁹⁹⁷⁴ is an apocalyptic number.

199974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199974 is a wasteful number, since it uses less digits than its factorization.

199974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33334.

The product of its digits is 20412, while the sum is 39.

The square root of 199974 is about 447.1845256715. The cubic root of 199974 is about 58.4778205057.

The spelling of 199974 in words is "one hundred ninety-nine thousand, nine hundred seventy-four".