7438442 has 32 divisors (see below), whose sum is σ = 12830400. Its totient is φ = 3203200.

The previous prime is 7438439. The next prime is 7438447. The reversal of 7438442 is 2448347.

It is a junction number, because it is equal to n+sod(n) for n = 7438399 and 7438408.

It is not an unprimeable number, because it can be changed into a prime (7438447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56717 + ... + 56847.

It is an arithmetic number, because the mean of its divisors is an integer number (400950).

Almost surely, 2^7438442 is an apocalyptic number.

7438442 is a deficient number, since it is larger than the sum of its proper divisors (5391958).

7438442 is a wasteful number, since it uses less digits than its factorization.

7438442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its digits is 21504, while the sum is 32.

The square root of 7438442 is about 2727.3507291876. The cubic root of 7438442 is about 195.2063736665.

The spelling of 7438442 in words is "seven million, four hundred thirty-eight thousand, four hundred forty-two".