3823949 has 4 divisors (see below), whose sum is σ = 3828000. Its totient is φ = 3819900.

The previous prime is 3823933. The next prime is 3823951. The reversal of 3823949 is 9493283.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3823949 - 2⁴ = 3823933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3823349) 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, 224 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (957000).

Almost surely, 2^3823949 is an apocalyptic number.

It is an amenable number.

3823949 is a deficient number, since it is larger than the sum of its proper divisors (4051).

3823949 is a wasteful number, since it uses less digits than its factorization.

3823949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050.

The product of its digits is 46656, while the sum is 38.

The square root of 3823949 is about 1955.4920096999. The cubic root of 3823949 is about 156.3762150324.

The spelling of 3823949 in words is "three million, eight hundred twenty-three thousand, nine hundred forty-nine".