46638959 has 4 divisors (see below), whose sum is σ = 46660800. Its totient is φ = 46617120.

The previous prime is 46638947. The next prime is 46638971. The reversal of 46638959 is 95983664.

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

It is an interprime number because it is at equal distance from previous prime (46638947) and next prime (46638971).

It is a cyclic number.

It is not a de Polignac number, because 46638959 - 2²⁰ = 45590383 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 (46638919) 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, 7322 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (11665200).

Almost surely, 2^46638959 is an apocalyptic number.

46638959 is a deficient number, since it is larger than the sum of its proper divisors (21841).

46638959 is a wasteful number, since it uses less digits than its factorization.

46638959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21840.

The product of its digits is 1399680, while the sum is 50.

The square root of 46638959 is about 6829.2722159832. The cubic root of 46638959 is about 359.9561649302.

The spelling of 46638959 in words is "forty-six million, six hundred thirty-eight thousand, nine hundred fifty-nine".