46434181 has 4 divisors (see below), whose sum is σ = 47566764. Its totient is φ = 45301600.

The previous prime is 46434169. The next prime is 46434197. The reversal of 46434181 is 18143464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2992900 + 43441281 = 1730^2 + 6591^2 .

It is a cyclic number.

It is not a de Polignac number, because 46434181 - 2⁷ = 46434053 is a prime.

It is a super-2 number, since 2×46434181² = 4312266330281522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46434881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566230 + ... + 566311.

It is an arithmetic number, because the mean of its divisors is an integer number (11891691).

Almost surely, 2^46434181 is an apocalyptic number.

46434181 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

46434181 is a deficient number, since it is larger than the sum of its proper divisors (1132583).

46434181 is a wasteful number, since it uses less digits than its factorization.

46434181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132582.

The product of its digits is 9216, while the sum is 31.

The square root of 46434181 is about 6814.2630562666. The cubic root of 46434181 is about 359.4285713308.

The spelling of 46434181 in words is "forty-six million, four hundred thirty-four thousand, one hundred eighty-one".