9138948 has 48 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 2409984.

The previous prime is 9138947. The next prime is 9138967. The reversal of 9138948 is 8498319.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (9138947) 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, 3093 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^9138948 is an apocalyptic number.

It is an amenable number.

9138948 is an abundant number, since it is smaller than the sum of its proper divisors (17109372).

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

9138948 is a wasteful number, since it uses less digits than its factorization.

9138948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396 (or 8394 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 9138948 is about 3023.0693012235. The cubic root of 9138948 is about 209.0733776216.

The spelling of 9138948 in words is "nine million, one hundred thirty-eight thousand, nine hundred forty-eight".