461408289 has 8 divisors (see below), whose sum is σ = 620961120. Its totient is φ = 304730496.

The previous prime is 461408281. The next prime is 461408303. The reversal of 461408289 is 982804164.

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

It is not a de Polignac number, because 461408289 - 2³ = 461408281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461408289.

It is not an unprimeable number, because it can be changed into a prime (461408281) 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, 718384 + ... + 719025.

It is an arithmetic number, because the mean of its divisors is an integer number (77620140).

Almost surely, 2^461408289 is an apocalyptic number.

It is an amenable number.

461408289 is a deficient number, since it is larger than the sum of its proper divisors (159552831).

461408289 is a wasteful number, since it uses less digits than its factorization.

461408289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437519.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 461408289 is about 21480.4164065783. The cubic root of 461408289 is about 772.7312289444.

The spelling of 461408289 in words is "four hundred sixty-one million, four hundred eight thousand, two hundred eighty-nine".