189854364 has 24 divisors (see below), whose sum is σ = 506278528. Its totient is φ = 54244080.

The previous prime is 189854341. The next prime is 189854369. The reversal of 189854364 is 463458981.

189854364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189854369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130002 + ... + 1130169.

Almost surely, 2^189854364 is an apocalyptic number.

189854364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189854364 is an abundant number, since it is smaller than the sum of its proper divisors (316424164).

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

189854364 is a wasteful number, since it uses less digits than its factorization.

189854364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260185 (or 2260183 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 189854364 is about 13778.7649664257. The cubic root of 189854364 is about 574.7427850201.

The spelling of 189854364 in words is "one hundred eighty-nine million, eight hundred fifty-four thousand, three hundred sixty-four".