3478868 has 6 divisors (see below), whose sum is σ = 6088026. Its totient is φ = 1739432.

The previous prime is 3478859. The next prime is 3478873. The reversal of 3478868 is 8688743.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 976144 = 1582^2 + 988^2 .

It is a super-2 number, since 2×3478868² = 24205045122848, which contains 22 as substring.

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, 434855 + ... + 434862.

It is an arithmetic number, because the mean of its divisors is an integer number (1014671).

Almost surely, 2^3478868 is an apocalyptic number.

It is an amenable number.

3478868 is a deficient number, since it is larger than the sum of its proper divisors (2609158).

3478868 is a wasteful number, since it uses less digits than its factorization.

3478868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869721 (or 869719 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 3478868 is about 1865.1723780927. The cubic root of 3478868 is about 151.5232639357.

The spelling of 3478868 in words is "three million, four hundred seventy-eight thousand, eight hundred sixty-eight".