46638947 has 2 divisors, whose sum is σ = 46638948. Its totient is φ = 46638946.

The previous prime is 46638929. The next prime is 46638971. The reversal of 46638947 is 74983664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46638947 - 2¹² = 46634851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46638997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23319473 + 23319474.

It is an arithmetic number, because the mean of its divisors is an integer number (23319474).

Almost surely, 2^46638947 is an apocalyptic number.

46638947 is a deficient number, since it is larger than the sum of its proper divisors (1).

46638947 is an equidigital number, since it uses as much as digits as its factorization.

46638947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 46638947 is about 6829.2713374122. The cubic root of 46638947 is about 359.9561340585.

The spelling of 46638947 in words is "forty-six million, six hundred thirty-eight thousand, nine hundred forty-seven".