4000277 has 2 divisors, whose sum is σ = 4000278. Its totient is φ = 4000276.

The previous prime is 4000273. The next prime is 4000291. The reversal of 4000277 is 7720004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3236401 + 763876 = 1799^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000277 - 2² = 4000273 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000138 + 2000139.

It is an arithmetic number, because the mean of its divisors is an integer number (2000139).

Almost surely, 2^4000277 is an apocalyptic number.

It is an amenable number.

4000277 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000277 is an equidigital number, since it uses as much as digits as its factorization.

4000277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 4000277 is about 2000.0692488012. The cubic root of 4000277 is about 158.7437693630.

The spelling of 4000277 in words is "four million, two hundred seventy-seven", and thus it is an aban number.