3819140 has 48 divisors (see below), whose sum is σ = 8892912. Its totient is φ = 1368576.

The previous prime is 3819139. The next prime is 3819143. The reversal of 3819140 is 419183.

It can be written as a sum of positive squares in 8 ways, for example, as 8836 + 3810304 = 94^2 + 1952^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3819143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9422 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (185269).

Almost surely, 2^3819140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3819140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4446456).

3819140 is an abundant number, since it is smaller than the sum of its proper divisors (5073772).

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

3819140 is a wasteful number, since it uses less digits than its factorization.

3819140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 3819140 is about 1954.2620090459. The cubic root of 3819140 is about 156.3106346003.

The spelling of 3819140 in words is "three million, eight hundred nineteen thousand, one hundred forty".