189647350 has 24 divisors (see below), whose sum is σ = 360253728. Its totient is φ = 74244000.

The previous prime is 189647347. The next prime is 189647383. The reversal of 189647350 is 53746981.

It is a super-2 number, since 2×189647350² = 71932234724045000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189647297 and 189647306.

It is a congruent number.

It is an unprimeable number.

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, 38001 + ... + 42700.

It is an arithmetic number, because the mean of its divisors is an integer number (15010572).

Almost surely, 2^189647350 is an apocalyptic number.

189647350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189647350 is a deficient number, since it is larger than the sum of its proper divisors (170606378).

189647350 is a wasteful number, since it uses less digits than its factorization.

189647350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80760 (or 80755 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 189647350 is about 13771.2508509576. The cubic root of 189647350 is about 574.5338124316.

The spelling of 189647350 in words is "one hundred eighty-nine million, six hundred forty-seven thousand, three hundred fifty".