481276989 has 12 divisors (see below), whose sum is σ = 695375772. Its totient is φ = 320760000.

The previous prime is 481276967. The next prime is 481276997. The reversal of 481276989 is 989672184.

481276989 is a `hidden beast` number, since 481 + 2 + 76 + 98 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 246176100 + 235100889 = 15690^2 + 15333^2 .

It is not a de Polignac number, because 481276989 - 2²⁸ = 212841533 is a prime.

It is a super-2 number, since 2×481276989² = 463255080281812242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481276949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44649 + ... + 54369.

It is an arithmetic number, because the mean of its divisors is an integer number (57947981).

Almost surely, 2^481276989 is an apocalyptic number.

It is an amenable number.

481276989 is a deficient number, since it is larger than the sum of its proper divisors (214098783).

481276989 is a wasteful number, since it uses less digits than its factorization.

481276989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15228 (or 15225 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 481276989 is about 21938.0260962558. The cubic root of 481276989 is about 783.6672526972.

The spelling of 481276989 in words is "four hundred eighty-one million, two hundred seventy-six thousand, nine hundred eighty-nine".