4276387 has 8 divisors (see below), whose sum is σ = 4530960. Its totient is φ = 4024800.

The previous prime is 4276381. The next prime is 4276421. The reversal of 4276387 is 7836724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4276387 - 2¹⁵ = 4243619 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2¹⁵ + 7 + 6⁶ + 3⁵ + 8 + 7⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4276381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637 + ... + 3937.

It is an arithmetic number, because the mean of its divisors is an integer number (566370).

Almost surely, 2^4276387 is an apocalyptic number.

4276387 is a deficient number, since it is larger than the sum of its proper divisors (254573).

4276387 is a wasteful number, since it uses less digits than its factorization.

4276387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493.

The product of its digits is 56448, while the sum is 37.

The square root of 4276387 is about 2067.9426974653. The cubic root of 4276387 is about 162.3151286131.

Subtracting from 4276387 its sum of digits (37), we obtain a triangular number (4276350 = T₂₉₂₄).

The spelling of 4276387 in words is "four million, two hundred seventy-six thousand, three hundred eighty-seven".