3430840 has 32 divisors (see below), whose sum is σ = 8822880. Its totient is φ = 1176192.

The previous prime is 3430831. The next prime is 3430873. The reversal of 3430840 is 480343.

3430840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5847 + ... + 6406.

It is an arithmetic number, because the mean of its divisors is an integer number (275715).

Almost surely, 2^3430840 is an apocalyptic number.

It is an amenable number.

3430840 is an abundant number, since it is smaller than the sum of its proper divisors (5392040).

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

3430840 is a wasteful number, since it uses less digits than its factorization.

3430840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12271 (or 12267 counting only the distinct ones).

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

The square root of 3430840 is about 1852.2526825463. The cubic root of 3430840 is about 150.8227383528.

It can be divided in two parts, 3430 and 840, that multiplied together give a triangular number (2881200 = T₂₄₀₀).

The spelling of 3430840 in words is "three million, four hundred thirty thousand, eight hundred forty".