461900289 has 4 divisors (see below), whose sum is σ = 615867056. Its totient is φ = 307933524.

The previous prime is 461900287. The next prime is 461900363. The reversal of 461900289 is 982009164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 461900289 - 2¹ = 461900287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461900287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76983379 + ... + 76983384.

It is an arithmetic number, because the mean of its divisors is an integer number (153966764).

Almost surely, 2^461900289 is an apocalyptic number.

It is an amenable number.

461900289 is a deficient number, since it is larger than the sum of its proper divisors (153966767).

461900289 is a wasteful number, since it uses less digits than its factorization.

461900289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153966766.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 461900289 is about 21491.8656472629. The cubic root of 461900289 is about 773.0057860078.

The spelling of 461900289 in words is "four hundred sixty-one million, nine hundred thousand, two hundred eighty-nine".