461328985 has 16 divisors (see below), whose sum is σ = 599316480. Its totient is φ = 338880960.

The previous prime is 461328979. The next prime is 461328997. The reversal of 461328985 is 589823164.

It is not a de Polignac number, because 461328985 - 2²¹ = 459231833 is a prime.

It is a super-2 number, since 2×461328985² = 425648864802260450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6165 + ... + 30994.

It is an arithmetic number, because the mean of its divisors is an integer number (37457280).

Almost surely, 2^461328985 is an apocalyptic number.

It is an amenable number.

461328985 is a deficient number, since it is larger than the sum of its proper divisors (137987495).

461328985 is a wasteful number, since it uses less digits than its factorization.

461328985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37368.

The product of its digits is 414720, while the sum is 46.

The square root of 461328985 is about 21478.5703667632. The cubic root of 461328985 is about 772.6869556547.

The spelling of 461328985 in words is "four hundred sixty-one million, three hundred twenty-eight thousand, nine hundred eighty-five".