4066831 has 4 divisors (see below), whose sum is σ = 4166064. Its totient is φ = 3967600.

The previous prime is 4066823. The next prime is 4066847. The reversal of 4066831 is 1386604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4066831 - 2³ = 4066823 is a prime.

It is a super-2 number, since 2×4066831² = 33078228765122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4066831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49555 + ... + 49636.

It is an arithmetic number, because the mean of its divisors is an integer number (1041516).

Almost surely, 2^4066831 is an apocalyptic number.

4066831 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4066831 is a deficient number, since it is larger than the sum of its proper divisors (99233).

4066831 is an equidigital number, since it uses as much as digits as its factorization.

4066831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99232.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4066831 is about 2016.6385397488. The cubic root of 4066831 is about 159.6192901561.

The spelling of 4066831 in words is "four million, sixty-six thousand, eight hundred thirty-one".