3823381 has 4 divisors (see below), whose sum is σ = 3835264. Its totient is φ = 3811500.

The previous prime is 3823349. The next prime is 3823399. The reversal of 3823381 is 1833283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1833283 = 223 ⋅8221.

It is a cyclic number.

It is not a de Polignac number, because 3823381 - 2⁵ = 3823349 is a prime.

It is a super-2 number, since 2×3823381² = 29236484542322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3823301) 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, 5445 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (958816).

Almost surely, 2^3823381 is an apocalyptic number.

It is an amenable number.

3823381 is a deficient number, since it is larger than the sum of its proper divisors (11883).

3823381 is a wasteful number, since it uses less digits than its factorization.

3823381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11882.

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

The square root of 3823381 is about 1955.3467723143. The cubic root of 3823381 is about 156.3684720693.

The spelling of 3823381 in words is "three million, eight hundred twenty-three thousand, three hundred eighty-one".