189454737 has 8 divisors (see below), whose sum is σ = 254156704. Its totient is φ = 125527968.

The previous prime is 189454673. The next prime is 189454751. The reversal of 189454737 is 737454981.

It is a happy number.

189454737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 189454737 - 2⁶ = 189454673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189454787) 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, 193228 + ... + 194205.

It is an arithmetic number, because the mean of its divisors is an integer number (31769588).

Almost surely, 2^189454737 is an apocalyptic number.

It is an amenable number.

189454737 is a deficient number, since it is larger than the sum of its proper divisors (64701967).

189454737 is a wasteful number, since it uses less digits than its factorization.

189454737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387599.

The product of its digits is 846720, while the sum is 48.

The square root of 189454737 is about 13764.2557735607. The cubic root of 189454737 is about 574.3392404769.

The spelling of 189454737 in words is "one hundred eighty-nine million, four hundred fifty-four thousand, seven hundred thirty-seven".