189104546 has 8 divisors (see below), whose sum is σ = 290575404. Its totient is φ = 92246080.

The previous prime is 189104543. The next prime is 189104561. The reversal of 189104546 is 645401981.

It can be written as a sum of positive squares in 2 ways, for example, as 187991521 + 1113025 = 13711^2 + 1055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×189104546² = 71521058635732232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189104543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152995 + ... + 1153158.

Almost surely, 2^189104546 is an apocalyptic number.

189104546 is a deficient number, since it is larger than the sum of its proper divisors (101470858).

189104546 is a wasteful number, since it uses less digits than its factorization.

189104546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306196.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 189104546 is about 13751.5288604577. The cubic root of 189104546 is about 573.9851497734.

The spelling of 189104546 in words is "one hundred eighty-nine million, one hundred four thousand, five hundred forty-six".