7144393 has 4 divisors (see below), whose sum is σ = 7150608. Its totient is φ = 7138180.

The previous prime is 7144387. The next prime is 7144409. The reversal of 7144393 is 3934417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7144393 - 2¹³ = 7136201 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7144363) by changing a digit.

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, 823 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (1787652).

Almost surely, 2^7144393 is an apocalyptic number.

It is an amenable number.

7144393 is a deficient number, since it is larger than the sum of its proper divisors (6215).

7144393 is a wasteful number, since it uses less digits than its factorization.

7144393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6214.

The product of its digits is 9072, while the sum is 31.

The square root of 7144393 is about 2672.8997362415. The cubic root of 7144393 is about 192.5994808237.

It can be divided in two parts, 7 and 144393, that added together give a square (144400 = 380²).

The spelling of 7144393 in words is "seven million, one hundred forty-four thousand, three hundred ninety-three".