3409978 has 16 divisors (see below), whose sum is σ = 6009696. Its totient is φ = 1430640.

The previous prime is 3409937. The next prime is 3409981. The reversal of 3409978 is 8799043.

It is a self number, because there is not a number n which added to its sum of digits gives 3409978.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5676 + ... + 6247.

It is an arithmetic number, because the mean of its divisors is an integer number (375606).

Almost surely, 2^3409978 is an apocalyptic number.

3409978 is a deficient number, since it is larger than the sum of its proper divisors (2599718).

3409978 is a wasteful number, since it uses less digits than its factorization.

3409978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3409978 is about 1846.6125744184. The cubic root of 3409978 is about 150.5164126720.

The spelling of 3409978 in words is "three million, four hundred nine thousand, nine hundred seventy-eight".