4267993 has 4 divisors (see below), whose sum is σ = 4273920. Its totient is φ = 4262068.

The previous prime is 4267981. The next prime is 4268009. The reversal of 4267993 is 3997624.

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 a de Polignac number, because none of the positive numbers 2^k-4267993 is a prime.

It is a Smith number, since the sum of its digits (40) 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 (4267973) 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, 1705 + ... + 3382.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 2^4267993 is an apocalyptic number.

It is an amenable number.

4267993 is a deficient number, since it is larger than the sum of its proper divisors (5927).

4267993 is an equidigital number, since it uses as much as digits as its factorization.

4267993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926.

The product of its digits is 81648, while the sum is 40.

The square root of 4267993 is about 2065.9121472125. The cubic root of 4267993 is about 162.2088577809.

The spelling of 4267993 in words is "four million, two hundred sixty-seven thousand, nine hundred ninety-three".