3478231 has 16 divisors (see below), whose sum is σ = 3836160. Its totient is φ = 3144960.

The previous prime is 3478229. The next prime is 3478243. The reversal of 3478231 is 1328743.

It is a cyclic number.

It is not a de Polignac number, because 3478231 - 2¹ = 3478229 is a prime.

It is a super-2 number, since 2×3478231² = 24196181778722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3478231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47611 + ... + 47683.

It is an arithmetic number, because the mean of its divisors is an integer number (239760).

Almost surely, 2^3478231 is an apocalyptic number.

3478231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3478231 is a deficient number, since it is larger than the sum of its proper divisors (357929).

3478231 is a wasteful number, since it uses less digits than its factorization.

3478231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its digits is 4032, while the sum is 28.

The square root of 3478231 is about 1865.0016085784. The cubic root of 3478231 is about 151.5140151216.

Subtracting from 3478231 its sum of digits (28), we obtain a triangular number (3478203 = T₂₆₃₇).

The spelling of 3478231 in words is "three million, four hundred seventy-eight thousand, two hundred thirty-one".