189960552 has 40 divisors (see below), whose sum is σ = 532067250. Its totient is φ = 63319968.

The previous prime is 189960521. The next prime is 189960559. The reversal of 189960552 is 255069981.

189960552 is a `hidden beast` number, since 1 + 8 + 9 + 96 + 0 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 157402116 + 32558436 = 12546^2 + 5706^2 .

It is a super-2 number, since 2×189960552² = 72170022632289408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189960498 and 189960507.

It is not an unprimeable number, because it can be changed into a prime (189960559) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 145927 + ... + 147222.

Almost surely, 2^189960552 is an apocalyptic number.

189960552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189960552 is an abundant number, since it is smaller than the sum of its proper divisors (342106698).

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

189960552 is a wasteful number, since it uses less digits than its factorization.

189960552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293167 (or 293154 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 189960552 is about 13782.6177484540. The cubic root of 189960552 is about 574.8499187386.

The spelling of 189960552 in words is "one hundred eighty-nine million, nine hundred sixty thousand, five hundred fifty-two".