46539309 has 4 divisors (see below), whose sum is σ = 62052416. Its totient is φ = 31026204.

The previous prime is 46539289. The next prime is 46539347. The reversal of 46539309 is 90393564.

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 46539309 - 2¹¹ = 46537261 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 (46539349) 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, 7756549 + ... + 7756554.

It is an arithmetic number, because the mean of its divisors is an integer number (15513104).

Almost surely, 2^46539309 is an apocalyptic number.

It is an amenable number.

46539309 is a deficient number, since it is larger than the sum of its proper divisors (15513107).

46539309 is a wasteful number, since it uses less digits than its factorization.

46539309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15513106.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 46539309 is about 6821.9725153360. The cubic root of 46539309 is about 359.6996182602.

The spelling of 46539309 in words is "forty-six million, five hundred thirty-nine thousand, three hundred nine".