46938109 has 4 divisors (see below), whose sum is σ = 46988316. Its totient is φ = 46887904.

The previous prime is 46938103. The next prime is 46938119. The reversal of 46938109 is 90183964.

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 11868025 + 35070084 = 3445^2 + 5922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46938109 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46938103) 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 3 ways as a sum of consecutive naturals, for example, 23674 + ... + 25579.

It is an arithmetic number, because the mean of its divisors is an integer number (11747079).

Almost surely, 2^46938109 is an apocalyptic number.

It is an amenable number.

46938109 is a deficient number, since it is larger than the sum of its proper divisors (50207).

46938109 is an equidigital number, since it uses as much as digits as its factorization.

46938109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50206.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 46938109 is about 6851.1392483294. The cubic root of 46938109 is about 360.7241314420.

The spelling of 46938109 in words is "forty-six million, nine hundred thirty-eight thousand, one hundred nine".