3478266 has 36 divisors (see below), whose sum is σ = 8288826. Its totient is φ = 1053360.

The previous prime is 3478261. The next prime is 3478271. The reversal of 3478266 is 6628743.

It is an interprime number because it is at equal distance from previous prime (3478261) and next prime (3478271).

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 184041 = 1815^2 + 429^2 .

It is a d-powerful number, because it can be written as 3⁶ + 4² + 7⁶ + 8³ + 2⁷ + 6⁸ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 3478266.

It is not an unprimeable number, because it can be changed into a prime (3478261) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1380 + ... + 2976.

Almost surely, 2^3478266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3478266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4144413).

3478266 is an abundant number, since it is smaller than the sum of its proper divisors (4810560).

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

3478266 is a wasteful number, since it uses less digits than its factorization.

3478266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1613 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3478266 is about 1865.0109919247. The cubic root of 3478266 is about 151.5145233275.

The spelling of 3478266 in words is "three million, four hundred seventy-eight thousand, two hundred sixty-six".