7240838 has 16 divisors (see below), whose sum is σ = 11900736. Its totient is φ = 3276840.

The previous prime is 7240811. The next prime is 7240841. The reversal of 7240838 is 8380427.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (743796).

Almost surely, 2^7240838 is an apocalyptic number.

7240838 is a deficient number, since it is larger than the sum of its proper divisors (4659898).

7240838 is a wasteful number, since it uses less digits than its factorization.

7240838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 7240838 is about 2690.8805250327. The cubic root of 7240838 is about 193.4622689932.

The spelling of 7240838 in words is "seven million, two hundred forty thousand, eight hundred thirty-eight".