63898223 has 32 divisors (see below), whose sum is σ = 74856960. Its totient is φ = 54190080.

The previous prime is 63898207. The next prime is 63898259. The reversal of 63898223 is 32289836.

It is a cyclic number.

It is not a de Polignac number, because 63898223 - 2⁴ = 63898207 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 (63898423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565415 + ... + 565527.

It is an arithmetic number, because the mean of its divisors is an integer number (2339280).

Almost surely, 2^63898223 is an apocalyptic number.

63898223 is a deficient number, since it is larger than the sum of its proper divisors (10958737).

63898223 is a wasteful number, since it uses less digits than its factorization.

63898223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227.

The product of its digits is 124416, while the sum is 41.

The square root of 63898223 is about 7993.6364065424. The cubic root of 63898223 is about 399.7878520864.

The spelling of 63898223 in words is "sixty-three million, eight hundred ninety-eight thousand, two hundred twenty-three".