3478816 has 24 divisors (see below), whose sum is σ = 7472304. Its totient is φ = 1581120.

The previous prime is 3478807. The next prime is 3478831. The reversal of 3478816 is 6188743.

It is a happy number.

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, 4590 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (311346).

Almost surely, 2^3478816 is an apocalyptic number.

It is an amenable number.

3478816 is an abundant number, since it is smaller than the sum of its proper divisors (3993488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3478816 is a wasteful number, since it uses less digits than its factorization.

3478816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9904 (or 9896 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 3478816 is about 1865.1584383103. The cubic root of 3478816 is about 151.5225089728.

The spelling of 3478816 in words is "three million, four hundred seventy-eight thousand, eight hundred sixteen".