4387265 has 16 divisors (see below), whose sum is σ = 5529600. Its totient is φ = 3337152.

The previous prime is 4387249. The next prime is 4387267. The reversal of 4387265 is 5627834.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4387265 - 2⁴ = 4387249 is a prime.

It is a super-3 number, since 3×4387265³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 3⁵ + 8⁵ + 7⁴ + 2¹⁵ + 6⁶ + 5⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4387267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11264 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (345600).

Almost surely, 2^4387265 is an apocalyptic number.

It is an amenable number.

4387265 is a deficient number, since it is larger than the sum of its proper divisors (1142335).

4387265 is a wasteful number, since it uses less digits than its factorization.

4387265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

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

The square root of 4387265 is about 2094.5799101490. The cubic root of 4387265 is about 163.7060095884.

The spelling of 4387265 in words is "four million, three hundred eighty-seven thousand, two hundred sixty-five".