189418354 has 16 divisors (see below), whose sum is σ = 291614400. Its totient is φ = 92226960.

The previous prime is 189418351. The next prime is 189418373. The reversal of 189418354 is 453814981.

189418354 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 (43).

It is a self number, because there is not a number n which added to its sum of digits gives 189418354.

It is not an unprimeable number, because it can be changed into a prime (189418351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26859 + ... + 33169.

It is an arithmetic number, because the mean of its divisors is an integer number (18225900).

Almost surely, 2^189418354 is an apocalyptic number.

189418354 is a deficient number, since it is larger than the sum of its proper divisors (102196046).

189418354 is a wasteful number, since it uses less digits than its factorization.

189418354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705.

The product of its digits is 138240, while the sum is 43.

The square root of 189418354 is about 13762.9340621831. The cubic root of 189418354 is about 574.3024726405.

The spelling of 189418354 in words is "one hundred eighty-nine million, four hundred eighteen thousand, three hundred fifty-four".