3478018 has 4 divisors (see below), whose sum is σ = 5217030. Its totient is φ = 1739008.

The previous prime is 3478009. The next prime is 3478039. The reversal of 3478018 is 8108743.

It is a happy number.

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., 3214849 + 263169 = 1793^2 + 513^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 869503 + ... + 869506.

Almost surely, 2^3478018 is an apocalyptic number.

3478018 is a deficient number, since it is larger than the sum of its proper divisors (1739012).

3478018 is a wasteful number, since it uses less digits than its factorization.

3478018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739011.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3478018 is about 1864.9445031957. The cubic root of 3478018 is about 151.5109222521.

The spelling of 3478018 in words is "three million, four hundred seventy-eight thousand, eighteen".