46489918 has 4 divisors (see below), whose sum is σ = 69734880. Its totient is φ = 23244958.

The previous prime is 46489913. The next prime is 46489921. The reversal of 46489918 is 81998464.

46489918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×46489918² = 4322624951293448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46489913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11622478 + ... + 11622481.

It is an arithmetic number, because the mean of its divisors is an integer number (17433720).

Almost surely, 2^46489918 is an apocalyptic number.

46489918 is a deficient number, since it is larger than the sum of its proper divisors (23244962).

46489918 is a wasteful number, since it uses less digits than its factorization.

46489918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23244961.

The product of its digits is 497664, while the sum is 49.

The square root of 46489918 is about 6818.3515603113. The cubic root of 46489918 is about 359.5723264949.

The spelling of 46489918 in words is "forty-six million, four hundred eighty-nine thousand, nine hundred eighteen".