3478864 has 10 divisors (see below), whose sum is σ = 6740330. Its totient is φ = 1739424.

The previous prime is 3478859. The next prime is 3478873. The reversal of 3478864 is 4688743.

3478864 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 3312400 + 166464 = 1820^2 + 408^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108699 + ... + 108730.

It is an arithmetic number, because the mean of its divisors is an integer number (674033).

Almost surely, 2^3478864 is an apocalyptic number.

It is an amenable number.

3478864 is a deficient number, since it is larger than the sum of its proper divisors (3261466).

3478864 is a wasteful number, since it uses less digits than its factorization.

3478864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217437 (or 217431 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 3478864 is about 1865.1713058054. The cubic root of 3478864 is about 151.5232058619.

The spelling of 3478864 in words is "three million, four hundred seventy-eight thousand, eight hundred sixty-four".