2391448 has 32 divisors (see below), whose sum is σ = 4808160. Its totient is φ = 1112320.

The previous prime is 2391439. The next prime is 2391449. The reversal of 2391448 is 8441932.

2391448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391449) 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 7 ways as a sum of consecutive naturals, for example, 7386 + ... + 7702.

It is an arithmetic number, because the mean of its divisors is an integer number (150255).

2^2391448 is an apocalyptic number.

It is an amenable number.

2391448 is an abundant number, since it is smaller than the sum of its proper divisors (2416712).

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

2391448 is a wasteful number, since it uses less digits than its factorization.

2391448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 383 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 2391448 is about 1546.4307291308. The cubic root of 2391448 is about 133.7273732359.

The spelling of 2391448 in words is "two million, three hundred ninety-one thousand, four hundred forty-eight".