189763485 has 8 divisors (see below), whose sum is σ = 303621600. Its totient is φ = 101207184.

The previous prime is 189763471. The next prime is 189763517. The reversal of 189763485 is 584367981.

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

It is not a de Polignac number, because 189763485 - 2⁶ = 189763421 is a prime.

It is a Curzon number.

It is a congruent 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, 6325435 + ... + 6325464.

It is an arithmetic number, because the mean of its divisors is an integer number (37952700).

Almost surely, 2^189763485 is an apocalyptic number.

189763485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189763485 is a deficient number, since it is larger than the sum of its proper divisors (113858115).

189763485 is a wasteful number, since it uses less digits than its factorization.

189763485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650907.

The product of its digits is 1451520, while the sum is 51.

The square root of 189763485 is about 13775.4667797502. The cubic root of 189763485 is about 574.6510649164.

The spelling of 189763485 in words is "one hundred eighty-nine million, seven hundred sixty-three thousand, four hundred eighty-five".