461984890 has 16 divisors (see below), whose sum is σ = 842100480. Its totient is φ = 182454480.

The previous prime is 461984839. The next prime is 461984933. The reversal of 461984890 is 98489164.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291606 + ... + 293185.

It is an arithmetic number, because the mean of its divisors is an integer number (52631280).

Almost surely, 2^461984890 is an apocalyptic number.

461984890 is a deficient number, since it is larger than the sum of its proper divisors (380115590).

461984890 is a wasteful number, since it uses less digits than its factorization.

461984890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584877.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 461984890 is about 21493.8337669202. The cubic root of 461984890 is about 773.0529773402.

The spelling of 461984890 in words is "four hundred sixty-one million, nine hundred eighty-four thousand, eight hundred ninety".