63398397 has 8 divisors (see below), whose sum is σ = 84569760. Its totient is φ = 42246320.

The previous prime is 63398371. The next prime is 63398417. The reversal of 63398397 is 79389336.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63398397 - 2⁸ = 63398141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63398597) 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 7 ways as a sum of consecutive naturals, for example, 6979 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (10571220).

Almost surely, 2^63398397 is an apocalyptic number.

It is an amenable number.

63398397 is a deficient number, since it is larger than the sum of its proper divisors (21171363).

63398397 is a wasteful number, since it uses less digits than its factorization.

63398397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643.

The product of its digits is 734832, while the sum is 48.

The square root of 63398397 is about 7962.3110338645. The cubic root of 63398397 is about 398.7427126284.

The spelling of 63398397 in words is "sixty-three million, three hundred ninety-eight thousand, three hundred ninety-seven".