461320985 has 16 divisors (see below), whose sum is σ = 568229376. Its totient is φ = 359347968.

The previous prime is 461320973. The next prime is 461320987. The reversal of 461320985 is 589023164.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 461320985 - 2²⁴ = 444543769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461320987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69272 + ... + 75638.

It is an arithmetic number, because the mean of its divisors is an integer number (35514336).

Almost surely, 2^461320985 is an apocalyptic number.

It is an amenable number.

461320985 is a deficient number, since it is larger than the sum of its proper divisors (106908391).

461320985 is a wasteful number, since it uses less digits than its factorization.

461320985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 461320985 is about 21478.3841338216. The cubic root of 461320985 is about 772.6824891882.

The spelling of 461320985 in words is "four hundred sixty-one million, three hundred twenty thousand, nine hundred eighty-five".