46809439 has 4 divisors (see below), whose sum is σ = 48844656. Its totient is φ = 44774224.

The previous prime is 46809437. The next prime is 46809457. The reversal of 46809439 is 93490864.

46809439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 46809439 - 2¹ = 46809437 is a prime.

It is a super-2 number, since 2×46809439² = 4382247158989442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46809395 and 46809404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46809431) 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 3 ways as a sum of consecutive naturals, for example, 1017574 + ... + 1017619.

It is an arithmetic number, because the mean of its divisors is an integer number (12211164).

Almost surely, 2^46809439 is an apocalyptic number.

46809439 is a deficient number, since it is larger than the sum of its proper divisors (2035217).

46809439 is a wasteful number, since it uses less digits than its factorization.

46809439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035216.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 46809439 is about 6841.7423950336. The cubic root of 46809439 is about 360.3942157926.

The spelling of 46809439 in words is "forty-six million, eight hundred nine thousand, four hundred thirty-nine".