46381181 has 16 divisors (see below), whose sum is σ = 58144128. Its totient is φ = 35942400.

The previous prime is 46381171. The next prime is 46381187. The reversal of 46381181 is 18118364.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 46381181 - 2¹⁸ = 46119037 is a prime.

It is a super-2 number, since 2×46381181² = 4302427901909522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46381187) 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, 13301 + ... + 16421.

It is an arithmetic number, because the mean of its divisors is an integer number (3634008).

Almost surely, 2^46381181 is an apocalyptic number.

It is an amenable number.

46381181 is a deficient number, since it is larger than the sum of its proper divisors (11762947).

46381181 is a wasteful number, since it uses less digits than its factorization.

46381181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332.

The product of its digits is 4608, while the sum is 32.

The square root of 46381181 is about 6810.3730441144. The cubic root of 46381181 is about 359.2917686116.

The spelling of 46381181 in words is "forty-six million, three hundred eighty-one thousand, one hundred eighty-one".