3826091 has 4 divisors (see below), whose sum is σ = 3891000. Its totient is φ = 3761184.

The previous prime is 3826019. The next prime is 3826157. The reversal of 3826091 is 1906283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1906283 = 31 ⋅61493.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3826091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3826001) 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, 32366 + ... + 32483.

It is an arithmetic number, because the mean of its divisors is an integer number (972750).

Almost surely, 2^3826091 is an apocalyptic number.

3826091 is a deficient number, since it is larger than the sum of its proper divisors (64909).

3826091 is an equidigital number, since it uses as much as digits as its factorization.

3826091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64908.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3826091 is about 1956.0396212756. The cubic root of 3826091 is about 156.4054078319.

The spelling of 3826091 in words is "three million, eight hundred twenty-six thousand, ninety-one".