46493181 has 24 divisors (see below), whose sum is σ = 81267264. Its totient is φ = 25004160.

The previous prime is 46493141. The next prime is 46493203. The reversal of 46493181 is 18139464.

46493181 is a `hidden beast` number, since 4 + 649 + 3 + 1 + 8 + 1 = 666.

It is not a de Polignac number, because 46493181 - 2¹⁴ = 46476797 is a prime.

It is a super-2 number, since 2×46493181² = 4323231758997522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46493141) 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, 20635 + ... + 22776.

It is an arithmetic number, because the mean of its divisors is an integer number (3386136).

Almost surely, 2^46493181 is an apocalyptic number.

It is an amenable number.

46493181 is a deficient number, since it is larger than the sum of its proper divisors (34774083).

46493181 is a wasteful number, since it uses less digits than its factorization.

46493181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43441 (or 43438 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 46493181 is about 6818.5908368225. The cubic root of 46493181 is about 359.5807387637.

The spelling of 46493181 in words is "forty-six million, four hundred ninety-three thousand, one hundred eighty-one".