46813889 has 2 divisors, whose sum is σ = 46813890. Its totient is φ = 46813888.

The previous prime is 46813847. The next prime is 46813913. The reversal of 46813889 is 98831864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46444225 + 369664 = 6815^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 46813889 - 2⁸ = 46813633 is a prime.

It is not a weakly prime, because it can be changed into another prime (46813589) 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 as a sum of consecutive naturals, namely, 23406944 + 23406945.

It is an arithmetic number, because the mean of its divisors is an integer number (23406945).

Almost surely, 2^46813889 is an apocalyptic number.

It is an amenable number.

46813889 is a deficient number, since it is larger than the sum of its proper divisors (1).

46813889 is an equidigital number, since it uses as much as digits as its factorization.

46813889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 47.

The square root of 46813889 is about 6842.0675968599. The cubic root of 46813889 is about 360.4056358785.

The spelling of 46813889 in words is "forty-six million, eight hundred thirteen thousand, eight hundred eighty-nine".