4021277 has 8 divisors (see below), whose sum is σ = 4357080. Its totient is φ = 3689280.

The previous prime is 4021261. The next prime is 4021301. The reversal of 4021277 is 7721204.

It can be written as a sum of positive squares in 4 ways, for example, as 376996 + 3644281 = 614^2 + 1909^2 .

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 4021277 - 2⁴ = 4021261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499 + ... + 3207.

It is an arithmetic number, because the mean of its divisors is an integer number (544635).

Almost surely, 2^4021277 is an apocalyptic number.

It is an amenable number.

4021277 is a deficient number, since it is larger than the sum of its proper divisors (335803).

4021277 is a wasteful number, since it uses less digits than its factorization.

4021277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 4021277 is about 2005.3121951457. The cubic root of 4021277 is about 159.0210670502.

The spelling of 4021277 in words is "four million, twenty-one thousand, two hundred seventy-seven".