189021348 has 36 divisors (see below), whose sum is σ = 502953360. Its totient is φ = 59690736.

The previous prime is 189021331. The next prime is 189021379. The reversal of 189021348 is 843120981.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 137490 + ... + 138857.

Almost surely, 2^189021348 is an apocalyptic number.

189021348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189021348 is an abundant number, since it is smaller than the sum of its proper divisors (313932012).

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

189021348 is a wasteful number, since it uses less digits than its factorization.

189021348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276376 (or 276371 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 189021348 is about 13748.5034821976. The cubic root of 189021348 is about 573.9009610314.

The spelling of 189021348 in words is "one hundred eighty-nine million, twenty-one thousand, three hundred forty-eight".