189800424 has 96 divisors (see below), whose sum is σ = 590335200. Its totient is φ = 54483840.

The previous prime is 189800371. The next prime is 189800431. The reversal of 189800424 is 424008981.

189800424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8742 + ... + 21354.

It is an arithmetic number, because the mean of its divisors is an integer number (6149325).

Almost surely, 2^189800424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189800424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295167600).

189800424 is an abundant number, since it is smaller than the sum of its proper divisors (400534776).

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

189800424 is a wasteful number, since it uses less digits than its factorization.

189800424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12655 (or 12648 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 189800424 is about 13776.8074676247. The cubic root of 189800424 is about 574.6883493259.

The spelling of 189800424 in words is "one hundred eighty-nine million, eight hundred thousand, four hundred twenty-four".