461216984 has 16 divisors (see below), whose sum is σ = 870588000. Its totient is φ = 229060192.

The previous prime is 461216947. The next prime is 461216989. The reversal of 461216984 is 489612164.

It is a super-2 number, since 2×461216984² = 425442212660112512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461216989) 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, 192272 + ... + 194655.

It is an arithmetic number, because the mean of its divisors is an integer number (54411750).

Almost surely, 2^461216984 is an apocalyptic number.

It is an amenable number.

461216984 is a deficient number, since it is larger than the sum of its proper divisors (409371016).

461216984 is a wasteful number, since it uses less digits than its factorization.

461216984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387082 (or 387078 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 461216984 is about 21475.9629353377. The cubic root of 461216984 is about 772.6244198657.

The spelling of 461216984 in words is "four hundred sixty-one million, two hundred sixteen thousand, nine hundred eighty-four".