189275375 has 32 divisors (see below), whose sum is σ = 243424896. Its totient is φ = 146880000.

The previous prime is 189275371. The next prime is 189275377. The reversal of 189275375 is 573572981.

It is not a de Polignac number, because 189275375 - 2² = 189275371 is a prime.

It is a Duffinian number.

Its product of digits (529200) is a multiple of the sum of its prime factors (420).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189275371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 785255 + ... + 785495.

It is an arithmetic number, because the mean of its divisors is an integer number (7607028).

Almost surely, 2^189275375 is an apocalyptic number.

189275375 is a deficient number, since it is larger than the sum of its proper divisors (54149521).

189275375 is a wasteful number, since it uses less digits than its factorization.

189275375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 410 counting only the distinct ones).

The product of its digits is 529200, while the sum is 47.

The square root of 189275375 is about 13757.7387313468. The cubic root of 189275375 is about 574.1579356747.

The spelling of 189275375 in words is "one hundred eighty-nine million, two hundred seventy-five thousand, three hundred seventy-five".