3418978 has 4 divisors (see below), whose sum is σ = 5128470. Its totient is φ = 1709488.

The previous prime is 3418963. The next prime is 3418981. The reversal of 3418978 is 8798143.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 7569 = 1847^2 + 87^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3418978.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854743 + ... + 854746.

Almost surely, 2^3418978 is an apocalyptic number.

3418978 is a deficient number, since it is larger than the sum of its proper divisors (1709492).

3418978 is a wasteful number, since it uses less digits than its factorization.

3418978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709491.

The product of its digits is 48384, while the sum is 40.

The square root of 3418978 is about 1849.0478630906. The cubic root of 3418978 is about 150.6487163290.

The spelling of 3418978 in words is "three million, four hundred eighteen thousand, nine hundred seventy-eight".