7448385 has 16 divisors (see below), whose sum is σ = 13620096. Its totient is φ = 3404928.

The previous prime is 7448351. The next prime is 7448387. The reversal of 7448385 is 5838447.

It is not a de Polignac number, because 7448385 - 2¹⁰ = 7447361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7448387) 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 15 ways as a sum of consecutive naturals, for example, 35364 + ... + 35573.

It is an arithmetic number, because the mean of its divisors is an integer number (851256).

Almost surely, 2^7448385 is an apocalyptic number.

It is an amenable number.

7448385 is a deficient number, since it is larger than the sum of its proper divisors (6171711).

7448385 is a wasteful number, since it uses less digits than its factorization.

7448385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70952.

The product of its digits is 107520, while the sum is 39.

The square root of 7448385 is about 2729.1729516467. The cubic root of 7448385 is about 195.2933126965.

The spelling of 7448385 in words is "seven million, four hundred forty-eight thousand, three hundred eighty-five".