3940777 has 2 divisors, whose sum is σ = 3940778. Its totient is φ = 3940776.

The previous prime is 3940763. The next prime is 3940793. The reversal of 3940777 is 7770493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3916441 + 24336 = 1979^2 + 156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3940777 is a prime.

3940777 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3940747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970388 + 1970389.

It is an arithmetic number, because the mean of its divisors is an integer number (1970389).

Almost surely, 2^3940777 is an apocalyptic number.

It is an amenable number.

3940777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940777 is an equidigital number, since it uses as much as digits as its factorization.

3940777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 3940777 is about 1985.1390379518. The cubic root of 3940777 is about 157.9527845887.

The spelling of 3940777 in words is "three million, nine hundred forty thousand, seven hundred seventy-seven".