7398009 has 12 divisors (see below), whose sum is σ = 11314836. Its totient is φ = 4641792.

The previous prime is 7398007. The next prime is 7398023. The reversal of 7398009 is 9008937.

7398009 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2732409 + 4665600 = 1653^2 + 2160^2 .

It is not a de Polignac number, because 7398009 - 2¹ = 7398007 is a prime.

7398009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7398007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24024 + ... + 24329.

It is an arithmetic number, because the mean of its divisors is an integer number (942903).

Almost surely, 2^7398009 is an apocalyptic number.

It is an amenable number.

7398009 is a deficient number, since it is larger than the sum of its proper divisors (3916827).

7398009 is a wasteful number, since it uses less digits than its factorization.

7398009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48376 (or 48373 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 7398009 is about 2719.9281240503. The cubic root of 7398009 is about 194.8520376587.

The spelling of 7398009 in words is "seven million, three hundred ninety-eight thousand, nine".