46438309 has 8 divisors (see below), whose sum is σ = 48294360. Its totient is φ = 44599296.

The previous prime is 46438297. The next prime is 46438349. The reversal of 46438309 is 90383464.

46438309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15602500 + 30835809 = 3950^2 + 5553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46438309 - 2²³ = 38049701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46438349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449 + ... + 9745.

It is an arithmetic number, because the mean of its divisors is an integer number (6036795).

Almost surely, 2^46438309 is an apocalyptic number.

It is an amenable number.

46438309 is a deficient number, since it is larger than the sum of its proper divisors (1856051).

46438309 is a wasteful number, since it uses less digits than its factorization.

46438309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 46438309 is about 6814.5659436240. The cubic root of 46438309 is about 359.4392220852.

The spelling of 46438309 in words is "forty-six million, four hundred thirty-eight thousand, three hundred nine".