3478346 has 4 divisors (see below), whose sum is σ = 5217522. Its totient is φ = 1739172.

The previous prime is 3478327. The next prime is 3478357. The reversal of 3478346 is 6438743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6438743 = 577 ⋅11159.

It can be written as a sum of positive squares in only one way, i.e., 3478225 + 121 = 1865^2 + 11^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869585 + ... + 869588.

Almost surely, 2^3478346 is an apocalyptic number.

3478346 is a deficient number, since it is larger than the sum of its proper divisors (1739176).

3478346 is a wasteful number, since it uses less digits than its factorization.

3478346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739175.

The product of its digits is 48384, while the sum is 35.

The square root of 3478346 is about 1865.0324393962. The cubic root of 3478346 is about 151.5156849282.

The spelling of 3478346 in words is "three million, four hundred seventy-eight thousand, three hundred forty-six".