3849823 has 2 divisors, whose sum is σ = 3849824. Its totient is φ = 3849822.

The previous prime is 3849821. The next prime is 3849827. The reversal of 3849823 is 3289483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3849823 - 2¹ = 3849821 is a prime.

It is a super-2 number, since 2×3849823² = 29642274262658, which contains 22 as substring.

Together with 3849821, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 3⁹ + 8 + 4⁵ + 9⁴ + 8⁷ + 2¹⁷ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3849821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1924911 + 1924912.

It is an arithmetic number, because the mean of its divisors is an integer number (1924912).

Almost surely, 2^3849823 is an apocalyptic number.

3849823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3849823 is an equidigital number, since it uses as much as digits as its factorization.

3849823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 3849823 is about 1962.0965827400. The cubic root of 3849823 is about 156.7281188429.

The spelling of 3849823 in words is "three million, eight hundred forty-nine thousand, eight hundred twenty-three".