189363426 has 16 divisors (see below), whose sum is σ = 432830784. Its totient is φ = 54103824.

The previous prime is 189363413. The next prime is 189363463. The reversal of 189363426 is 624363981.

189363426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 4508653 = 189363426 / (1 + 8 + 9 + 3 + 6 + 3 + 4 + 2 + 6).

It is a Curzon 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, 2254285 + ... + 2254368.

It is an arithmetic number, because the mean of its divisors is an integer number (27051924).

Almost surely, 2^189363426 is an apocalyptic number.

189363426 is an abundant number, since it is smaller than the sum of its proper divisors (243467358).

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

189363426 is a wasteful number, since it uses less digits than its factorization.

189363426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508665.

The product of its digits is 186624, while the sum is 42.

The square root of 189363426 is about 13760.9384127682. The cubic root of 189363426 is about 574.2469547260.

The spelling of 189363426 in words is "one hundred eighty-nine million, three hundred sixty-three thousand, four hundred twenty-six".