2263859 has 4 divisors (see below), whose sum is σ = 2438016. Its totient is φ = 2089704.

The previous prime is 2263847. The next prime is 2263861. The reversal of 2263859 is 9583622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9583622 = 2 ⋅4791811.

It is a cyclic number.

It is not a de Polignac number, because 2263859 - 2⁴ = 2263843 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 2²⁰ + 6³ + 3¹⁰ + 8⁵ + 5⁶ + 9⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2263829) 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, 87059 + ... + 87084.

It is an arithmetic number, because the mean of its divisors is an integer number (609504).

2^2263859 is an apocalyptic number.

2263859 is a deficient number, since it is larger than the sum of its proper divisors (174157).

2263859 is a wasteful number, since it uses less digits than its factorization.

2263859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174156.

The product of its digits is 25920, while the sum is 35.

The square root of 2263859 is about 1504.6125747182. The cubic root of 2263859 is about 131.3055625674.

The spelling of 2263859 in words is "two million, two hundred sixty-three thousand, eight hundred fifty-nine".