46489821 has 16 divisors (see below), whose sum is σ = 70963200. Its totient is φ = 26520048.

The previous prime is 46489819. The next prime is 46489843. The reversal of 46489821 is 12898464.

46489821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46489821 - 2¹ = 46489819 is a prime.

It is a super-2 number, since 2×46489821² = 4322606913224082, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46489811) 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 in 15 ways as a sum of consecutive naturals, for example, 13560 + ... + 16638.

It is an arithmetic number, because the mean of its divisors is an integer number (4435200).

Almost surely, 2^46489821 is an apocalyptic number.

It is an amenable number.

46489821 is a deficient number, since it is larger than the sum of its proper divisors (24473379).

46489821 is a wasteful number, since it uses less digits than its factorization.

46489821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808.

The product of its digits is 110592, while the sum is 42.

The square root of 46489821 is about 6818.3444471514. The cubic root of 46489821 is about 359.5720764153.

The spelling of 46489821 in words is "forty-six million, four hundred eighty-nine thousand, eight hundred twenty-one".