3478738 has 8 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 1727700.

The previous prime is 3478721. The next prime is 3478747. The reversal of 3478738 is 8378743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3478738.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5458 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (656640).

Almost surely, 2^3478738 is an apocalyptic number.

3478738 is a deficient number, since it is larger than the sum of its proper divisors (1774382).

3478738 is a wasteful number, since it uses less digits than its factorization.

3478738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672.

The product of its digits is 112896, while the sum is 40.

The square root of 3478738 is about 1865.1375284413. The cubic root of 3478738 is about 151.5213765143.

The spelling of 3478738 in words is "three million, four hundred seventy-eight thousand, seven hundred thirty-eight".