10388898 has 40 divisors (see below), whose sum is σ = 25074588. Its totient is φ = 3195936.

The previous prime is 10388891. The next prime is 10388923. The reversal of 10388898 is 89888301.

It can be written as a sum of positive squares in 2 ways, for example, as 9529569 + 859329 = 3087^2 + 927^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10388891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 361 + ... + 4572.

Almost surely, 2^10388898 is an apocalyptic number.

10388898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10388898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12537294).

10388898 is an abundant number, since it is smaller than the sum of its proper divisors (14685690).

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

10388898 is a wasteful number, since it uses less digits than its factorization.

10388898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960 (or 4951 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 10388898 is about 3223.1813476750. The cubic root of 10388898 is about 218.2008781645.

The spelling of 10388898 in words is "ten million, three hundred eighty-eight thousand, eight hundred ninety-eight".