7438426 has 8 divisors (see below), whose sum is σ = 11262240. Its totient is φ = 3684348.

The previous prime is 7438423. The next prime is 7438427. The reversal of 7438426 is 6248347.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7438391 and 7438400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17166 + ... + 17593.

It is an arithmetic number, because the mean of its divisors is an integer number (1407780).

Almost surely, 2^7438426 is an apocalyptic number.

7438426 is a deficient number, since it is larger than the sum of its proper divisors (3823814).

7438426 is a wasteful number, since it uses less digits than its factorization.

7438426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34868.

The product of its digits is 32256, while the sum is 34.

The square root of 7438426 is about 2727.3477959366. The cubic root of 7438426 is about 195.2062337042.

The spelling of 7438426 in words is "seven million, four hundred thirty-eight thousand, four hundred twenty-six".