461533646 has 48 divisors (see below), whose sum is σ = 868956336. Its totient is φ = 182617344.

The previous prime is 461533643. The next prime is 461533649. The reversal of 461533646 is 646335164.

It is an interprime number because it is at equal distance from previous prime (461533643) and next prime (461533649).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461533643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85685 + ... + 90911.

It is an arithmetic number, because the mean of its divisors is an integer number (18103257).

Almost surely, 2^461533646 is an apocalyptic number.

461533646 is a deficient number, since it is larger than the sum of its proper divisors (407422690).

461533646 is a wasteful number, since it uses less digits than its factorization.

461533646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313 (or 5306 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 461533646 is about 21483.3341453323. The cubic root of 461533646 is about 772.8012020390.

The spelling of 461533646 in words is "four hundred sixty-one million, five hundred thirty-three thousand, six hundred forty-six".