189450424 has 16 divisors (see below), whose sum is σ = 366678720. Its totient is φ = 91669440.

The previous prime is 189450419. The next prime is 189450427. The reversal of 189450424 is 424054981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189450427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381709 + ... + 382204.

It is an arithmetic number, because the mean of its divisors is an integer number (22917420).

Almost surely, 2^189450424 is an apocalyptic number.

It is an amenable number.

189450424 is a deficient number, since it is larger than the sum of its proper divisors (177228296).

189450424 is a wasteful number, since it uses less digits than its factorization.

189450424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763950 (or 763946 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 189450424 is about 13764.0990987424. The cubic root of 189450424 is about 574.3348821027.

The spelling of 189450424 in words is "one hundred eighty-nine million, four hundred fifty thousand, four hundred twenty-four".