189359469 has 12 divisors (see below), whose sum is σ = 294559356. Its totient is φ = 116528832.

The previous prime is 189359383. The next prime is 189359477. The reversal of 189359469 is 964953981.

It can be written as a sum of positive squares in 2 ways, for example, as 77211369 + 112148100 = 8787^2 + 10590^2 .

It is not a de Polignac number, because 189359469 - 2¹² = 189355373 is a prime.

It is a super-2 number, since 2×189359469² = 71714016999923922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189359479) 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, 809112 + ... + 809345.

It is an arithmetic number, because the mean of its divisors is an integer number (24546613).

Almost surely, 2^189359469 is an apocalyptic number.

It is an amenable number.

189359469 is a deficient number, since it is larger than the sum of its proper divisors (105199887).

189359469 is a wasteful number, since it uses less digits than its factorization.

189359469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618476 (or 1618473 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 189359469 is about 13760.7946354853. The cubic root of 189359469 is about 574.2429548142.

The spelling of 189359469 in words is "one hundred eighty-nine million, three hundred fifty-nine thousand, four hundred sixty-nine".