189034446 has 8 divisors (see below), whose sum is σ = 378068904. Its totient is φ = 63011480.

The previous prime is 189034427. The next prime is 189034451. The reversal of 189034446 is 644430981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

189034446 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15752865 + ... + 15752876.

It is an arithmetic number, because the mean of its divisors is an integer number (47258613).

Almost surely, 2^189034446 is an apocalyptic number.

189034446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189034446 is a wasteful number, since it uses less digits than its factorization.

189034446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31505746.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 189034446 is about 13748.9798166991. The cubic root of 189034446 is about 573.9142166438.

The spelling of 189034446 in words is "one hundred eighty-nine million, thirty-four thousand, four hundred forty-six".