46477981 has 16 divisors (see below), whose sum is σ = 52727040. Its totient is φ = 40582080.

The previous prime is 46477919. The next prime is 46477987. The reversal of 46477981 is 18977464.

46477981 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 46477981 - 2⁷ = 46477853 is a prime.

It is a super-2 number, since 2×46477981² = 4320405435672722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46477987) 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, 116875 + ... + 117271.

It is an arithmetic number, because the mean of its divisors is an integer number (3295440).

Almost surely, 2^46477981 is an apocalyptic number.

It is an amenable number.

46477981 is a deficient number, since it is larger than the sum of its proper divisors (6249059).

46477981 is a wasteful number, since it uses less digits than its factorization.

46477981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its digits is 338688, while the sum is 46.

The square root of 46477981 is about 6817.4761459062. The cubic root of 46477981 is about 359.5415486226.

The spelling of 46477981 in words is "forty-six million, four hundred seventy-seven thousand, nine hundred eighty-one".