189469286 has 16 divisors (see below), whose sum is σ = 286191360. Its totient is φ = 94075080.

The previous prime is 189469277. The next prime is 189469289. The reversal of 189469286 is 682964981.

It is a happy number.

It is a super-2 number, since 2×189469286² = 71797220674699592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189469289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260255 + ... + 260981.

It is an arithmetic number, because the mean of its divisors is an integer number (17886960).

Almost surely, 2^189469286 is an apocalyptic number.

189469286 is a deficient number, since it is larger than the sum of its proper divisors (96722074).

189469286 is a wasteful number, since it uses less digits than its factorization.

189469286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its digits is 1492992, while the sum is 53.

The square root of 189469286 is about 13764.7842700131. The cubic root of 189469286 is about 574.3539420496.

The spelling of 189469286 in words is "one hundred eighty-nine million, four hundred sixty-nine thousand, two hundred eighty-six".