63854398 has 16 divisors (see below), whose sum is σ = 98532720. Its totient is φ = 31018176.

The previous prime is 63854393. The next prime is 63854407. The reversal of 63854398 is 89345836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63854393) 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, 15058 + ... + 18826.

It is an arithmetic number, because the mean of its divisors is an integer number (6158295).

Almost surely, 2^63854398 is an apocalyptic number.

63854398 is a deficient number, since it is larger than the sum of its proper divisors (34678322).

63854398 is a wasteful number, since it uses less digits than its factorization.

63854398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011.

The product of its digits is 622080, while the sum is 46.

The square root of 63854398 is about 7990.8946933369. The cubic root of 63854398 is about 399.6964321747.

The spelling of 63854398 in words is "sixty-three million, eight hundred fifty-four thousand, three hundred ninety-eight".