189304969 has 8 divisors (see below), whose sum is σ = 217255680. Its totient is φ = 161581056.

The previous prime is 189304943. The next prime is 189304991. The reversal of 189304969 is 969403981.

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

It is not a de Polignac number, because 189304969 - 2¹⁵ = 189272201 is a prime.

It is a super-2 number, since 2×189304969² = 71672742576181922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189304169) 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, 54904 + ... + 58249.

It is an arithmetic number, because the mean of its divisors is an integer number (27156960).

Almost surely, 2^189304969 is an apocalyptic number.

It is an amenable number.

189304969 is a deficient number, since it is larger than the sum of its proper divisors (27950711).

189304969 is a wasteful number, since it uses less digits than its factorization.

189304969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113399.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 189304969 is about 13758.8142294313. The cubic root of 189304969 is about 574.1878581170.

The spelling of 189304969 in words is "one hundred eighty-nine million, three hundred four thousand, nine hundred sixty-nine".