3878263 has 2 divisors, whose sum is σ = 3878264. Its totient is φ = 3878262.

The previous prime is 3878221. The next prime is 3878267. The reversal of 3878263 is 3628783.

It is a strong prime.

It is an emirp because it is prime and its reverse (3628783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3878263 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 8³ + 7⁶ + 8³ + 2¹⁹ + 6⁶ + 3¹³ .

3878263 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3878267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939131 + 1939132.

It is an arithmetic number, because the mean of its divisors is an integer number (1939132).

Almost surely, 2^3878263 is an apocalyptic number.

3878263 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878263 is an equidigital number, since it uses as much as digits as its factorization.

3878263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 3878263 is about 1969.3305969288. The cubic root of 3878263 is about 157.1131076702.

The spelling of 3878263 in words is "three million, eight hundred seventy-eight thousand, two hundred sixty-three".