4011859 has 2 divisors, whose sum is σ = 4011860. Its totient is φ = 4011858.

The previous prime is 4011827. The next prime is 4011863. The reversal of 4011859 is 9581104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4011859 - 2⁵ = 4011827 is a prime.

It is not a weakly prime, because it can be changed into another prime (4011899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005929 + 2005930.

It is an arithmetic number, because the mean of its divisors is an integer number (2005930).

Almost surely, 2^4011859 is an apocalyptic number.

4011859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011859 is an equidigital number, since it uses as much as digits as its factorization.

4011859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 4011859 is about 2002.9625558158. The cubic root of 4011859 is about 158.8968253290.

The spelling of 4011859 in words is "four million, eleven thousand, eight hundred fifty-nine".