189412354 has 8 divisors (see below), whose sum is σ = 289479420. Its totient is φ = 92919216.

The previous prime is 189412343. The next prime is 189412393. The reversal of 189412354 is 453214981.

It can be written as a sum of positive squares in 2 ways, for example, as 188650225 + 762129 = 13735^2 + 873^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893349 + ... + 893560.

Almost surely, 2^189412354 is an apocalyptic number.

189412354 is a deficient number, since it is larger than the sum of its proper divisors (100067066).

189412354 is a wasteful number, since it uses less digits than its factorization.

189412354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786964.

The product of its digits is 34560, while the sum is 37.

The square root of 189412354 is about 13762.7160836806. The cubic root of 189412354 is about 574.2964087240.

The spelling of 189412354 in words is "one hundred eighty-nine million, four hundred twelve thousand, three hundred fifty-four".