4077869 has 2 divisors, whose sum is σ = 4077870. Its totient is φ = 4077868.

The previous prime is 4077863. The next prime is 4077883. The reversal of 4077869 is 9687704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 1857769 = 1490^2 + 1363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4077869 is a prime.

It is a super-2 number, since 2×4077869² = 33258031162322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4077863) 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, 2038934 + 2038935.

It is an arithmetic number, because the mean of its divisors is an integer number (2038935).

Almost surely, 2^4077869 is an apocalyptic number.

It is an amenable number.

4077869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4077869 is an equidigital number, since it uses as much as digits as its factorization.

4077869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 4077869 is about 2019.3734176719. The cubic root of 4077869 is about 159.7635700735.

The spelling of 4077869 in words is "four million, seventy-seven thousand, eight hundred sixty-nine".