63381398 has 8 divisors (see below), whose sum is σ = 97283208. Its totient is φ = 30953664.

The previous prime is 63381377. The next prime is 63381403. The reversal of 63381398 is 89318336.

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

It is a super-2 number, since 2×63381398² = 8034403224868808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368411 + ... + 368582.

It is an arithmetic number, because the mean of its divisors is an integer number (12160401).

Almost surely, 2^63381398 is an apocalyptic number.

63381398 is a deficient number, since it is larger than the sum of its proper divisors (33901810).

63381398 is a wasteful number, since it uses less digits than its factorization.

63381398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737038.

The product of its digits is 93312, while the sum is 41.

The square root of 63381398 is about 7961.2434958366. The cubic root of 63381398 is about 398.7070711738.

The spelling of 63381398 in words is "sixty-three million, three hundred eighty-one thousand, three hundred ninety-eight".