4091086 has 4 divisors (see below), whose sum is σ = 6136632. Its totient is φ = 2045542.

The previous prime is 4091083. The next prime is 4091161. The reversal of 4091086 is 6801904.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022770 + ... + 1022773.

It is an arithmetic number, because the mean of its divisors is an integer number (1534158).

Almost surely, 2^4091086 is an apocalyptic number.

4091086 is a deficient number, since it is larger than the sum of its proper divisors (2045546).

4091086 is a wasteful number, since it uses less digits than its factorization.

4091086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045545.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 4091086 is about 2022.6433200147. The cubic root of 4091086 is about 159.9359900204.

The spelling of 4091086 in words is "four million, ninety-one thousand, eighty-six".