189484402 has 16 divisors (see below), whose sum is σ = 291389472. Its totient is φ = 92363040.

The previous prime is 189484367. The next prime is 189484429. The reversal of 189484402 is 204484981.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51277 + ... + 54847.

It is an arithmetic number, because the mean of its divisors is an integer number (18211842).

Almost surely, 2^189484402 is an apocalyptic number.

189484402 is a deficient number, since it is larger than the sum of its proper divisors (101905070).

189484402 is a wasteful number, since it uses less digits than its factorization.

189484402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 189484402 is about 13765.3333414051. Note that the first 4 decimals coincide. The cubic root of 189484402 is about 574.3692157710.

The spelling of 189484402 in words is "one hundred eighty-nine million, four hundred eighty-four thousand, four hundred two".