189072351 has 48 divisors (see below), whose sum is σ = 325031616. Its totient is φ = 104721408.

The previous prime is 189072347. The next prime is 189072353. The reversal of 189072351 is 153270981.

It is not a de Polignac number, because 189072351 - 2² = 189072347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189072353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43681 + ... + 47813.

It is an arithmetic number, because the mean of its divisors is an integer number (6771492).

Almost surely, 2^189072351 is an apocalyptic number.

189072351 is a deficient number, since it is larger than the sum of its proper divisors (135959265).

189072351 is a wasteful number, since it uses less digits than its factorization.

189072351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192 (or 4189 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 189072351 is about 13750.3582135157. The cubic root of 189072351 is about 573.9525743170.

The spelling of 189072351 in words is "one hundred eighty-nine million, seventy-two thousand, three hundred fifty-one".