189656350 has 24 divisors (see below), whose sum is σ = 379897560. Its totient is φ = 70026720.

The previous prime is 189656333. The next prime is 189656351. The reversal of 189656350 is 53656981.

It is a junction number, because it is equal to n+sod(n) for n = 189656297 and 189656306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189656351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145240 + ... + 146539.

It is an arithmetic number, because the mean of its divisors is an integer number (15829065).

Almost surely, 2^189656350 is an apocalyptic number.

189656350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189656350 is an abundant number, since it is smaller than the sum of its proper divisors (190241210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189656350 is a wasteful number, since it uses less digits than its factorization.

189656350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291804 (or 291799 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 189656350 is about 13771.5776147833. The cubic root of 189656350 is about 574.5429007430.

The spelling of 189656350 in words is "one hundred eighty-nine million, six hundred fifty-six thousand, three hundred fifty".