4263945 has 16 divisors (see below), whose sum is σ = 7797120. Its totient is φ = 1949184.

The previous prime is 4263937. The next prime is 4263953. The reversal of 4263945 is 5493624.

It is an interprime number because it is at equal distance from previous prime (4263937) and next prime (4263953).

It is not a de Polignac number, because 4263945 - 2³ = 4263937 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 2⁹ + 6³ + 3⁵ + 9 + 4¹¹ + 5⁵ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20200 + ... + 20409.

It is an arithmetic number, because the mean of its divisors is an integer number (487320).

Almost surely, 2^4263945 is an apocalyptic number.

It is an amenable number.

4263945 is a deficient number, since it is larger than the sum of its proper divisors (3533175).

4263945 is a wasteful number, since it uses less digits than its factorization.

4263945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40624.

The product of its digits is 25920, while the sum is 33.

The square root of 4263945 is about 2064.9322022769. The cubic root of 4263945 is about 162.1575589497.

It can be divided in two parts, 426 and 3945, that added together give a triangular number (4371 = T₉₃).

The spelling of 4263945 in words is "four million, two hundred sixty-three thousand, nine hundred forty-five".