4276385 has 4 divisors (see below), whose sum is σ = 5131668. Its totient is φ = 3421104.

The previous prime is 4276381. The next prime is 4276421. The reversal of 4276385 is 5836724.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2845969 + 1430416 = 1687^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 4276385 - 2² = 4276381 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2³ + 7⁴ + 6⁴ + 3⁵ + 8 + 5⁷ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4276381) 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, 427634 + ... + 427643.

It is an arithmetic number, because the mean of its divisors is an integer number (1282917).

Almost surely, 2^4276385 is an apocalyptic number.

It is an amenable number.

4276385 is a deficient number, since it is larger than the sum of its proper divisors (855283).

4276385 is an equidigital number, since it uses as much as digits as its factorization.

4276385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855282.

The product of its digits is 40320, while the sum is 35.

The square root of 4276385 is about 2067.9422138928. The cubic root of 4276385 is about 162.3151033090.

Subtracting from 4276385 its sum of digits (35), we obtain a triangular number (4276350 = T₂₉₂₄).

The spelling of 4276385 in words is "four million, two hundred seventy-six thousand, three hundred eighty-five".