190764 has 36 divisors (see below), whose sum is σ = 551824. Its totient is φ = 54432.

The previous prime is 190763. The next prime is 190769. The reversal of 190764 is 467091.

190764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (190763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127 + ... + 630.

2¹⁹⁰⁷⁶⁴ is an apocalyptic number.

190764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

190764 is an abundant number, since it is smaller than the sum of its proper divisors (361060).

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

190764 is a wasteful number, since it uses less digits than its factorization.

190764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 190764 is about 436.7653832437. The cubic root of 190764 is about 57.5659231307.

The spelling of 190764 in words is "one hundred ninety thousand, seven hundred sixty-four".