46489581 has 24 divisors (see below), whose sum is σ = 70668000. Its totient is φ = 29407392.

The previous prime is 46489571. The next prime is 46489589. The reversal of 46489581 is 18598464.

46489581 is a `hidden beast` number, since 4 + 64 + 8 + 9 + 581 = 666.

It is not a de Polignac number, because 46489581 - 2⁵ = 46489549 is a prime.

It is a super-2 number, since 2×46489581² = 4322562283111122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46489589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13890 + ... + 16908.

It is an arithmetic number, because the mean of its divisors is an integer number (2944500).

Almost surely, 2^46489581 is an apocalyptic number.

It is an amenable number.

46489581 is a deficient number, since it is larger than the sum of its proper divisors (24178419).

46489581 is a wasteful number, since it uses less digits than its factorization.

46489581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3110 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 46489581 is about 6818.3268475485. The cubic root of 46489581 is about 359.5714576602.

The spelling of 46489581 in words is "forty-six million, four hundred eighty-nine thousand, five hundred eighty-one".