7438942 has 8 divisors (see below), whose sum is σ = 12752496. Its totient is φ = 3188112.

The previous prime is 7438939. The next prime is 7438967. The reversal of 7438942 is 2498347.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 265663 + ... + 265690.

It is an arithmetic number, because the mean of its divisors is an integer number (1594062).

Almost surely, 2^7438942 is an apocalyptic number.

7438942 is a deficient number, since it is larger than the sum of its proper divisors (5313554).

7438942 is a wasteful number, since it uses less digits than its factorization.

7438942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531362.

The product of its digits is 48384, while the sum is 37.

The square root of 7438942 is about 2727.4423916923. The cubic root of 7438942 is about 195.2107473871.

The spelling of 7438942 in words is "seven million, four hundred thirty-eight thousand, nine hundred forty-two".