190974 has 16 divisors (see below), whose sum is σ = 436608. Its totient is φ = 54552.

The previous prime is 190921. The next prime is 190979. The reversal of 190974 is 479091.

190974 = 217² + 218² + ... + 220².

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (27288).

2¹⁹⁰⁹⁷⁴ is an apocalyptic number.

190974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190974 is an abundant number, since it is smaller than the sum of its proper divisors (245634).

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

190974 is a wasteful number, since it uses less digits than its factorization.

190974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 190974 is about 437.0057207864. The cubic root of 190974 is about 57.5870389433.

The spelling of 190974 in words is "one hundred ninety thousand, nine hundred seventy-four".