461793189 has 64 divisors (see below), whose sum is σ = 759951360. Its totient is φ = 245617920.

The previous prime is 461793169. The next prime is 461793191. The reversal of 461793189 is 981397164.

It is a happy number.

It is not a de Polignac number, because 461793189 - 2⁹ = 461792677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461793169) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 745722 + ... + 746340.

It is an arithmetic number, because the mean of its divisors is an integer number (11874240).

Almost surely, 2^461793189 is an apocalyptic number.

It is an amenable number.

461793189 is a deficient number, since it is larger than the sum of its proper divisors (298158171).

461793189 is a wasteful number, since it uses less digits than its factorization.

461793189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its digits is 326592, while the sum is 48.

The square root of 461793189 is about 21489.3738624465. The cubic root of 461793189 is about 772.9460362298.

The spelling of 461793189 in words is "four hundred sixty-one million, seven hundred ninety-three thousand, one hundred eighty-nine".