189550946 has 32 divisors (see below), whose sum is σ = 311698800. Its totient is φ = 85929984.

The previous prime is 189550939. The next prime is 189550951. The reversal of 189550946 is 649055981.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5812921 + 183738025 = 2411^2 + 13555^2 .

It is a super-2 number, since 2×189550946² = 71859122258989832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189550946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437546 + ... + 437978.

Almost surely, 2^189550946 is an apocalyptic number.

189550946 is a deficient number, since it is larger than the sum of its proper divisors (122147854).

189550946 is a wasteful number, since it uses less digits than its factorization.

189550946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 189550946 is about 13767.7502156307. The cubic root of 189550946 is about 574.4364444389.

The spelling of 189550946 in words is "one hundred eighty-nine million, five hundred fifty thousand, nine hundred forty-six".