7244391 has 24 divisors (see below), whose sum is σ = 12138112. Its totient is φ = 3762000.

The previous prime is 7244389. The next prime is 7244399. The reversal of 7244391 is 1934427.

It is a happy number.

It is not a de Polignac number, because 7244391 - 2¹ = 7244389 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7244399) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1116 + ... + 3966.

Almost surely, 2^7244391 is an apocalyptic number.

7244391 is a deficient number, since it is larger than the sum of its proper divisors (4893721).

7244391 is a wasteful number, since it uses less digits than its factorization.

7244391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2872 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 7244391 is about 2691.5406368844. The cubic root of 7244391 is about 193.4939070920.

It can be divided in two parts, 724 and 4391, that added together give a palindrome (5115).

The spelling of 7244391 in words is "seven million, two hundred forty-four thousand, three hundred ninety-one".