7009438 has 4 divisors (see below), whose sum is σ = 10514160. Its totient is φ = 3504718.

The previous prime is 7009427. The next prime is 7009447. The reversal of 7009438 is 8349007.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752358 + ... + 1752361.

It is an arithmetic number, because the mean of its divisors is an integer number (2628540).

Almost surely, 2^7009438 is an apocalyptic number.

7009438 is a deficient number, since it is larger than the sum of its proper divisors (3504722).

7009438 is a wasteful number, since it uses less digits than its factorization.

7009438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504721.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7009438 is about 2647.5343246122. The cubic root of 7009438 is about 191.3790522605.

It can be divided in two parts, 7009 and 438, that added together give a palindrome (7447).

The spelling of 7009438 in words is "seven million, nine thousand, four hundred thirty-eight".