3440678 has 4 divisors (see below), whose sum is σ = 5161020. Its totient is φ = 1720338.

The previous prime is 3440663. The next prime is 3440683. The reversal of 3440678 is 8760443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8760443 = 157 ⋅55799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860168 + ... + 860171.

It is an arithmetic number, because the mean of its divisors is an integer number (1290255).

Almost surely, 2^3440678 is an apocalyptic number.

3440678 is a deficient number, since it is larger than the sum of its proper divisors (1720342).

3440678 is a wasteful number, since it uses less digits than its factorization.

3440678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720341.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3440678 is about 1854.9064666446. The cubic root of 3440678 is about 150.9667631480.

The spelling of 3440678 in words is "three million, four hundred forty thousand, six hundred seventy-eight".