4266399 has 4 divisors (see below), whose sum is σ = 5688536. Its totient is φ = 2844264.

The previous prime is 4266397. The next prime is 4266443. The reversal of 4266399 is 9936624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4266399 - 2¹ = 4266397 is a prime.

It is a super-3 number, since 3×4266399³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4266391) 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, 711064 + ... + 711069.

It is an arithmetic number, because the mean of its divisors is an integer number (1422134).

Almost surely, 2^4266399 is an apocalyptic number.

4266399 is a deficient number, since it is larger than the sum of its proper divisors (1422137).

4266399 is a wasteful number, since it uses less digits than its factorization.

4266399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422136.

The product of its digits is 69984, while the sum is 39.

The square root of 4266399 is about 2065.5263251772. The cubic root of 4266399 is about 162.1886614720.

The spelling of 4266399 in words is "four million, two hundred sixty-six thousand, three hundred ninety-nine".