9149448 has 64 divisors (see below), whose sum is σ = 28523520. Its totient is φ = 2376000.

The previous prime is 9149447. The next prime is 9149449. The reversal of 9149448 is 8449419.

It is an interprime number because it is at equal distance from previous prime (9149447) and next prime (9149449).

It is not an unprimeable number, because it can be changed into a prime (9149447) 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, 628 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (445680).

Almost surely, 2^9149448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9149448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14261760).

9149448 is an abundant number, since it is smaller than the sum of its proper divisors (19374072).

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

9149448 is a wasteful number, since it uses less digits than its factorization.

9149448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978 (or 4974 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 9149448 is about 3024.8054482892. The cubic root of 9149448 is about 209.1534171135.

The spelling of 9149448 in words is "nine million, one hundred forty-nine thousand, four hundred forty-eight".