189330479 has 8 divisors (see below), whose sum is σ = 215888400. Its totient is φ = 164486016.

The previous prime is 189330461. The next prime is 189330481. The reversal of 189330479 is 974033981.

It is a happy number.

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

It is not a de Polignac number, because 189330479 - 2¹² = 189326383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189330439) 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, 428129 + ... + 428570.

It is an arithmetic number, because the mean of its divisors is an integer number (26986050).

Almost surely, 2^189330479 is an apocalyptic number.

189330479 is a deficient number, since it is larger than the sum of its proper divisors (26557921).

189330479 is a wasteful number, since it uses less digits than its factorization.

189330479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856729.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 189330479 is about 13759.7412402995. The cubic root of 189330479 is about 574.2136487313.

The spelling of 189330479 in words is "one hundred eighty-nine million, three hundred thirty thousand, four hundred seventy-nine".