46481389 has 4 divisors (see below), whose sum is σ = 46562524. Its totient is φ = 46400256.

The previous prime is 46481387. The next prime is 46481419. The reversal of 46481389 is 98318464.

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 39501225 + 6980164 = 6285^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 46481389 - 2¹ = 46481387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46481387) 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, 39702 + ... + 40855.

It is an arithmetic number, because the mean of its divisors is an integer number (11640631).

Almost surely, 2^46481389 is an apocalyptic number.

It is an amenable number.

46481389 is a deficient number, since it is larger than the sum of its proper divisors (81135).

46481389 is an equidigital number, since it uses as much as digits as its factorization.

46481389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81134.

The product of its digits is 165888, while the sum is 43.

The square root of 46481389 is about 6817.7260871936. The cubic root of 46481389 is about 359.5503362078.

The spelling of 46481389 in words is "forty-six million, four hundred eighty-one thousand, three hundred eighty-nine".