7438834 has 16 divisors (see below), whose sum is σ = 12079872. Its totient is φ = 3415248.

The previous prime is 7438829. The next prime is 7438841. The reversal of 7438834 is 4388347.

It is a junction number, because it is equal to n+sod(n) for n = 7438793 and 7438802.

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 7 ways as a sum of consecutive naturals, for example, 5157 + ... + 6439.

It is an arithmetic number, because the mean of its divisors is an integer number (754992).

Almost surely, 2^7438834 is an apocalyptic number.

7438834 is a deficient number, since it is larger than the sum of its proper divisors (4641038).

7438834 is a wasteful number, since it uses less digits than its factorization.

7438834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its digits is 64512, while the sum is 37.

The square root of 7438834 is about 2727.4225928521. The cubic root of 7438834 is about 195.2098026800.

The spelling of 7438834 in words is "seven million, four hundred thirty-eight thousand, eight hundred thirty-four".