189346650 has 24 divisors (see below), whose sum is σ = 469580064. Its totient is φ = 50492400.

The previous prime is 189346637. The next prime is 189346657. The reversal of 189346650 is 56643981.

189346650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189346657) 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, 631006 + ... + 631305.

It is an arithmetic number, because the mean of its divisors is an integer number (19565836).

Almost surely, 2^189346650 is an apocalyptic number.

189346650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189346650 is an abundant number, since it is smaller than the sum of its proper divisors (280233414).

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

189346650 is a wasteful number, since it uses less digits than its factorization.

189346650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262326 (or 1262321 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 189346650 is about 13760.3288478146. The cubic root of 189346650 is about 574.2299964154.

The spelling of 189346650 in words is "one hundred eighty-nine million, three hundred forty-six thousand, six hundred fifty".