3820444 has 24 divisors (see below), whose sum is σ = 7454160. Its totient is φ = 1702656.

The previous prime is 3820441. The next prime is 3820447. The reversal of 3820444 is 4440283.

It is an interprime number because it is at equal distance from previous prime (3820441) and next prime (3820447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187 + ... + 2770.

It is an arithmetic number, because the mean of its divisors is an integer number (310590).

Almost surely, 2^3820444 is an apocalyptic number.

3820444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3820444 is a deficient number, since it is larger than the sum of its proper divisors (3633716).

3820444 is a wasteful number, since it uses less digits than its factorization.

3820444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 3820444 is about 1954.5956103501. The cubic root of 3820444 is about 156.3284227126.

The spelling of 3820444 in words is "three million, eight hundred twenty thousand, four hundred forty-four".