63748398 has 16 divisors (see below), whose sum is σ = 145710720. Its totient is φ = 18213816.

The previous prime is 63748393. The next prime is 63748417. The reversal of 63748398 is 89384736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63748393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758868 + ... + 758951.

It is an arithmetic number, because the mean of its divisors is an integer number (9106920).

Almost surely, 2^63748398 is an apocalyptic number.

63748398 is an abundant number, since it is smaller than the sum of its proper divisors (81962322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63748398 is a wasteful number, since it uses less digits than its factorization.

63748398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517831.

The product of its digits is 870912, while the sum is 48.

The square root of 63748398 is about 7984.2593895740. The cubic root of 63748398 is about 399.4751407749.

It can be divided in two parts, 63748 and 398, that added together give a palindrome (64146).

The spelling of 63748398 in words is "sixty-three million, seven hundred forty-eight thousand, three hundred ninety-eight".