3439890 has 48 divisors (see below), whose sum is σ = 9194328. Its totient is φ = 891648.

The previous prime is 3439889. The next prime is 3439901. The reversal of 3439890 is 989343.

3439890 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 4 ways, for example, as 3426201 + 13689 = 1851^2 + 117^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2814 + ... + 3846.

Almost surely, 2^3439890 is an apocalyptic number.

3439890 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 3439890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4597164).

3439890 is an abundant number, since it is smaller than the sum of its proper divisors (5754438).

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

3439890 is a wasteful number, since it uses less digits than its factorization.

3439890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3439890 is about 1854.6940448494. The cubic root of 3439890 is about 150.9552372324.

The spelling of 3439890 in words is "three million, four hundred thirty-nine thousand, eight hundred ninety".