189860841 has 15 divisors (see below), whose sum is σ = 283804653. Its totient is φ = 126491220.

The previous prime is 189860821. The next prime is 189860843. The reversal of 189860841 is 148068981.

The square root of 189860841 is 13779.

It is a perfect power (a square), and thus also a powerful number.

189860841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189860841 - 2⁹ = 189860329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189860843) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 123246 + ... + 124776.

Almost surely, 2^189860841 is an apocalyptic number.

189860841 is the 13779-th square number.

189860841 is the 6890-th centered octagonal number.

It is an amenable number.

189860841 is a deficient number, since it is larger than the sum of its proper divisors (93943812).

189860841 is an frugal number, since it uses more digits than its factorization.

189860841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The cubic root of 189860841 is about 574.7493208486.

The spelling of 189860841 in words is "one hundred eighty-nine million, eight hundred sixty thousand, eight hundred forty-one".