46591881 has 16 divisors (see below), whose sum is σ = 71098368. Its totient is φ = 26586000.

The previous prime is 46591873. The next prime is 46591901. The reversal of 46591881 is 18819564.

It is not a de Polignac number, because 46591881 - 2³ = 46591873 is a prime.

It is a super-2 number, since 2×46591881² = 4341606750236322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46591681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21016 + ... + 23126.

It is an arithmetic number, because the mean of its divisors is an integer number (4443648).

Almost surely, 2^46591881 is an apocalyptic number.

It is an amenable number.

46591881 is a deficient number, since it is larger than the sum of its proper divisors (24506487).

46591881 is a wasteful number, since it uses less digits than its factorization.

46591881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172.

The product of its digits is 69120, while the sum is 42.

The square root of 46591881 is about 6825.8245655745. The cubic root of 46591881 is about 359.8350092716.

The spelling of 46591881 in words is "forty-six million, five hundred ninety-one thousand, eight hundred eighty-one".