189496548 has 18 divisors (see below), whose sum is σ = 479005254. Its totient is φ = 63165504.

The previous prime is 189496543. The next prime is 189496607. The reversal of 189496548 is 845694981.

189496548 is a `hidden beast` number, since 1 + 8 + 9 + 4 + 96 + 548 = 666.

It can be written as a sum of positive squares in only one way, i.e., 183385764 + 6110784 = 13542^2 + 2472^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 189496494 and 189496503.

It is not an unprimeable number, because it can be changed into a prime (189496543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2631861 + ... + 2631932.

It is an arithmetic number, because the mean of its divisors is an integer number (26611403).

Almost surely, 2^189496548 is an apocalyptic number.

189496548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189496548 is an abundant number, since it is smaller than the sum of its proper divisors (289508706).

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

189496548 is a wasteful number, since it uses less digits than its factorization.

189496548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263803 (or 5263798 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 189496548 is about 13765.7745150791. The cubic root of 189496548 is about 574.3814879148.

The spelling of 189496548 in words is "one hundred eighty-nine million, four hundred ninety-six thousand, five hundred forty-eight".