9013998 has 32 divisors (see below), whose sum is σ = 20749824. Its totient is φ = 2557152.

The previous prime is 9013997. The next prime is 9014003. The reversal of 9013998 is 8993109.

9013998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9013993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5911 + ... + 7277.

It is an arithmetic number, because the mean of its divisors is an integer number (648432).

Almost surely, 2^9013998 is an apocalyptic number.

9013998 is an abundant number, since it is smaller than the sum of its proper divisors (11735826).

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

9013998 is a wasteful number, since it uses less digits than its factorization.

9013998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 9013998 is about 3002.3320935566. The cubic root of 9013998 is about 208.1161672342.

It can be divided in two parts, 9013 and 998, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 9013998 in words is "nine million, thirteen thousand, nine hundred ninety-eight".