190965 has 16 divisors (see below), whose sum is σ = 316800. Its totient is φ = 98112.

The previous prime is 190921. The next prime is 190979. The reversal of 190965 is 569091.

It is not a de Polignac number, because 190965 - 2⁶ = 190901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (19800).

2¹⁹⁰⁹⁶⁵ is an apocalyptic number.

190965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190965 is a deficient number, since it is larger than the sum of its proper divisors (125835).

190965 is a wasteful number, since it uses less digits than its factorization.

190965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 190965 is about 436.9954233170. The cubic root of 190965 is about 57.5861342975.

The spelling of 190965 in words is "one hundred ninety thousand, nine hundred sixty-five".