189267969 has 8 divisors (see below), whose sum is σ = 275298912. Its totient is φ = 114707840.

The previous prime is 189267961. The next prime is 189267979. The reversal of 189267969 is 969762981.

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

It is a cyclic number.

It is not a de Polignac number, because 189267969 - 2³ = 189267961 is a prime.

It is a super-2 number, since 2×189267969² = 71644728178769922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189267961) 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, 2867664 + ... + 2867729.

It is an arithmetic number, because the mean of its divisors is an integer number (34412364).

It is a Proth number, since it is equal to 361 ⋅ 2¹⁹ + 1 and 361 < 2¹⁹.

Almost surely, 2^189267969 is an apocalyptic number.

It is an amenable number.

189267969 is a deficient number, since it is larger than the sum of its proper divisors (86030943).

189267969 is a wasteful number, since it uses less digits than its factorization.

189267969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735407.

The product of its digits is 2939328, while the sum is 57.

The square root of 189267969 is about 13757.4695711094. The cubic root of 189267969 is about 574.1504469929.

The spelling of 189267969 in words is "one hundred eighty-nine million, two hundred sixty-seven thousand, nine hundred sixty-nine".