3440146 has 8 divisors (see below), whose sum is σ = 5286204. Its totient is φ = 1678080.

The previous prime is 3440131. The next prime is 3440147. The reversal of 3440146 is 6410443.

It is a happy number.

3440146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 416025 = 1739^2 + 645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3440147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20895 + ... + 21058.

Almost surely, 2^3440146 is an apocalyptic number.

3440146 is a deficient number, since it is larger than the sum of its proper divisors (1846058).

3440146 is a wasteful number, since it uses less digits than its factorization.

3440146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41996.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3440146 is about 1854.7630576438. The cubic root of 3440146 is about 150.9589818853.

Adding to 3440146 its reverse (6410443), we get a palindrome (9850589).

The spelling of 3440146 in words is "three million, four hundred forty thousand, one hundred forty-six".