189667869 has 8 divisors (see below), whose sum is σ = 254736960. Its totient is φ = 125522016.

The previous prime is 189667837. The next prime is 189667871. The reversal of 189667869 is 968766981.

189667869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 189667869 - 2⁵ = 189667837 is a prime.

It is a super-2 number, since 2×189667869² = 71947801062002322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189669869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230329 + ... + 231150.

It is an arithmetic number, because the mean of its divisors is an integer number (31842120).

Almost surely, 2^189667869 is an apocalyptic number.

It is an amenable number.

189667869 is a deficient number, since it is larger than the sum of its proper divisors (65069091).

189667869 is a wasteful number, since it uses less digits than its factorization.

189667869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461619.

The product of its digits is 7838208, while the sum is 60.

The square root of 189667869 is about 13771.9958248614. The cubic root of 189667869 is about 574.5545323523.

The spelling of 189667869 in words is "one hundred eighty-nine million, six hundred sixty-seven thousand, eight hundred sixty-nine".