4247393 has 4 divisors (see below), whose sum is σ = 4470960. Its totient is φ = 4023828.

The previous prime is 4247389. The next prime is 4247407. The reversal of 4247393 is 3937424.

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.

It is a cyclic number.

It is not a de Polignac number, because 4247393 - 2² = 4247389 is a prime.

It is a super-3 number, since 3×4247393³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4247333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111755 + ... + 111792.

It is an arithmetic number, because the mean of its divisors is an integer number (1117740).

Almost surely, 2^4247393 is an apocalyptic number.

It is an amenable number.

4247393 is a deficient number, since it is larger than the sum of its proper divisors (223567).

4247393 is a wasteful number, since it uses less digits than its factorization.

4247393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223566.

The product of its digits is 18144, while the sum is 32.

The square root of 4247393 is about 2060.9204254410. The cubic root of 4247393 is about 161.9474630229.

The spelling of 4247393 in words is "four million, two hundred forty-seven thousand, three hundred ninety-three".