46821329 has 2 divisors, whose sum is σ = 46821330. Its totient is φ = 46821328.

The previous prime is 46821323. The next prime is 46821371. The reversal of 46821329 is 92312864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 8690704 = 6175^2 + 2948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46821329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46821323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23410664 + 23410665.

It is an arithmetic number, because the mean of its divisors is an integer number (23410665).

Almost surely, 2^46821329 is an apocalyptic number.

It is an amenable number.

46821329 is a deficient number, since it is larger than the sum of its proper divisors (1).

46821329 is an equidigital number, since it uses as much as digits as its factorization.

46821329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 46821329 is about 6842.6112705604. The cubic root of 46821329 is about 360.4247276192.

The spelling of 46821329 in words is "forty-six million, eight hundred twenty-one thousand, three hundred twenty-nine".