46638929 has 2 divisors, whose sum is σ = 46638930. Its totient is φ = 46638928.

The previous prime is 46638919. The next prime is 46638947. The reversal of 46638929 is 92983664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39627025 + 7011904 = 6295^2 + 2648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46638929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46638919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23319464 + 23319465.

It is an arithmetic number, because the mean of its divisors is an integer number (23319465).

Almost surely, 2^46638929 is an apocalyptic number.

It is an amenable number.

46638929 is a deficient number, since it is larger than the sum of its proper divisors (1).

46638929 is an equidigital number, since it uses as much as digits as its factorization.

46638929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 46638929 is about 6829.2700195555. The cubic root of 46638929 is about 359.9560877509.

The spelling of 46638929 in words is "forty-six million, six hundred thirty-eight thousand, nine hundred twenty-nine".