46888889 has 4 divisors (see below), whose sum is σ = 46906356. Its totient is φ = 46871424.

The previous prime is 46888883. The next prime is 46888901. The reversal of 46888889 is 98888864.

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 32296489 + 14592400 = 5683^2 + 3820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46888889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (46888883) 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, 3764 + ... + 10389.

It is an arithmetic number, because the mean of its divisors is an integer number (11726589).

Almost surely, 2^46888889 is an apocalyptic number.

It is an amenable number.

46888889 is a deficient number, since it is larger than the sum of its proper divisors (17467).

46888889 is a wasteful number, since it uses less digits than its factorization.

46888889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17466.

The product of its digits is 7077888, while the sum is 59.

The square root of 46888889 is about 6847.5462028379. The cubic root of 46888889 is about 360.5980004456.

The spelling of 46888889 in words is "forty-six million, eight hundred eighty-eight thousand, eight hundred eighty-nine".