190940 has 12 divisors (see below), whose sum is σ = 401016. Its totient is φ = 76368.

The previous prime is 190921. The next prime is 190979. The reversal of 190940 is 49091.

190940 = T₁₅₂ + T₁₅₃ + ... + T₁₆₆.

It is a congruent number.

It is an unprimeable number.

190940 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (33418).

2¹⁹⁰⁹⁴⁰ is an apocalyptic number.

190940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190940 is an abundant number, since it is smaller than the sum of its proper divisors (210076).

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

190940 is a wasteful number, since it uses less digits than its factorization.

190940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556 (or 9554 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 190940 is about 436.9668179622. The cubic root of 190940 is about 57.5836212433.

The spelling of 190940 in words is "one hundred ninety thousand, nine hundred forty".