46431138 has 16 divisors (see below), whose sum is σ = 100005696. Its totient is φ = 14286480.

The previous prime is 46431137. The next prime is 46431157. The reversal of 46431138 is 83113464.

46431138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46431137) 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 7 ways as a sum of consecutive naturals, for example, 297558 + ... + 297713.

It is an arithmetic number, because the mean of its divisors is an integer number (6250356).

Almost surely, 2^46431138 is an apocalyptic number.

46431138 is an abundant number, since it is smaller than the sum of its proper divisors (53574558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46431138 is a wasteful number, since it uses less digits than its factorization.

46431138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595289.

The product of its digits is 6912, while the sum is 30.

The square root of 46431138 is about 6814.0397709435. The cubic root of 46431138 is about 359.4207196074.

The spelling of 46431138 in words is "forty-six million, four hundred thirty-one thousand, one hundred thirty-eight".