4031977 has 2 divisors, whose sum is σ = 4031978. Its totient is φ = 4031976.

The previous prime is 4031947. The next prime is 4031987. The reversal of 4031977 is 7791304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 47961 = 1996^2 + 219^2 .

It is a cyclic number.

It is not a de Polignac number, because 4031977 - 2⁷ = 4031849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4031947) 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 as a sum of consecutive naturals, namely, 2015988 + 2015989.

It is an arithmetic number, because the mean of its divisors is an integer number (2015989).

Almost surely, 2^4031977 is an apocalyptic number.

It is an amenable number.

4031977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031977 is an equidigital number, since it uses as much as digits as its factorization.

4031977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 4031977 is about 2007.9783365365. The cubic root of 4031977 is about 159.1619856753.

The spelling of 4031977 in words is "four million, thirty-one thousand, nine hundred seventy-seven".