46546381 has 4 divisors (see below), whose sum is σ = 53195872. Its totient is φ = 39896892.

The previous prime is 46546351. The next prime is 46546399. The reversal of 46546381 is 18364564.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 46546381 - 2⁹ = 46545869 is a prime.

It is a super-2 number, since 2×46546381² = 4333131168394322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46546381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46546301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3324735 + ... + 3324748.

It is an arithmetic number, because the mean of its divisors is an integer number (13298968).

Almost surely, 2^46546381 is an apocalyptic number.

It is an amenable number.

46546381 is a deficient number, since it is larger than the sum of its proper divisors (6649491).

46546381 is an equidigital number, since it uses as much as digits as its factorization.

46546381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6649490.

The product of its digits is 69120, while the sum is 37.

The square root of 46546381 is about 6822.4908208073. The cubic root of 46546381 is about 359.7178370300.

The spelling of 46546381 in words is "forty-six million, five hundred forty-six thousand, three hundred eighty-one".