46666889 has 2 divisors, whose sum is σ = 46666890. Its totient is φ = 46666888.

The previous prime is 46666877. The next prime is 46666903. The reversal of 46666889 is 98866664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44890000 + 1776889 = 6700^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 46666889 - 2¹⁶ = 46601353 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 46666889.

It is not a weakly prime, because it can be changed into another prime (46666849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23333444 + 23333445.

It is an arithmetic number, because the mean of its divisors is an integer number (23333445).

Almost surely, 2^46666889 is an apocalyptic number.

It is an amenable number.

46666889 is a deficient number, since it is larger than the sum of its proper divisors (1).

46666889 is an equidigital number, since it uses as much as digits as its factorization.

46666889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 53.

The square root of 46666889 is about 6831.3167837541. The cubic root of 46666889 is about 360.0280045087.

The spelling of 46666889 in words is "forty-six million, six hundred sixty-six thousand, eight hundred eighty-nine".