3878773 has 2 divisors, whose sum is σ = 3878774. Its totient is φ = 3878772.

The previous prime is 3878767. The next prime is 3878783. The reversal of 3878773 is 3778783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 485809 = 1842^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 3878773 - 2⁵ = 3878741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3878713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939386 + 1939387.

It is an arithmetic number, because the mean of its divisors is an integer number (1939387).

Almost surely, 2^3878773 is an apocalyptic number.

It is an amenable number.

3878773 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878773 is an equidigital number, since it uses as much as digits as its factorization.

3878773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 3878773 is about 1969.4600782956. The cubic root of 3878773 is about 157.1199942732.

The spelling of 3878773 in words is "three million, eight hundred seventy-eight thousand, seven hundred seventy-three".