46943009 has 4 divisors (see below), whose sum is σ = 46971204. Its totient is φ = 46914816.

The previous prime is 46943003. The next prime is 46943027. The reversal of 46943009 is 90034964.

It is a happy number.

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 15054400 + 31888609 = 3880^2 + 5647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46943009 is a prime.

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 46943009.

It is not an unprimeable number, because it can be changed into a prime (46943003) 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, 11432 + ... + 14985.

It is an arithmetic number, because the mean of its divisors is an integer number (11742801).

Almost surely, 2^46943009 is an apocalyptic number.

It is an amenable number.

46943009 is a deficient number, since it is larger than the sum of its proper divisors (28195).

46943009 is a wasteful number, since it uses less digits than its factorization.

46943009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28194.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 46943009 is about 6851.4968437561. The cubic root of 46943009 is about 360.7366833376.

The spelling of 46943009 in words is "forty-six million, nine hundred forty-three thousand, nine".