190336889 has 12 divisors (see below), whose sum is σ = 207820260. Its totient is φ = 174091680.

The previous prime is 190336837. The next prime is 190336901. The reversal of 190336889 is 988633091.

It can be written as a sum of positive squares in 2 ways, for example, as 147865600 + 42471289 = 12160^2 + 6517^2 .

It is not a de Polignac number, because 190336889 - 2⁸ = 190336633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190336789) 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, 1379 + ... + 19559.

It is an arithmetic number, because the mean of its divisors is an integer number (17318355).

Almost surely, 2^190336889 is an apocalyptic number.

190336889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

190336889 is a deficient number, since it is larger than the sum of its proper divisors (17483371).

190336889 is a wasteful number, since it uses less digits than its factorization.

190336889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18248 (or 18229 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 190336889 is about 13796.2635883778. The cubic root of 190336889 is about 575.2292862517.

The spelling of 190336889 in words is "one hundred ninety million, three hundred thirty-six thousand, eight hundred eighty-nine".