3944190 has 32 divisors (see below), whose sum is σ = 9601056. Its totient is φ = 1036800.

The previous prime is 3944189. The next prime is 3944219. The reversal of 3944190 is 914493.

It is a super-2 number, since 2×3944190² = 31113269512200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (300033).

Almost surely, 2^3944190 is an apocalyptic number.

3944190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3944190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4800528).

3944190 is an abundant number, since it is smaller than the sum of its proper divisors (5656866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3944190 is a wasteful number, since it uses less digits than its factorization.

3944190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3944190 is about 1985.9984894254. The cubic root of 3944190 is about 157.9983709708.

The spelling of 3944190 in words is "three million, nine hundred forty-four thousand, one hundred ninety".