3478238 has 16 divisors (see below), whose sum is σ = 5368464. Its totient is φ = 1689600.

The previous prime is 3478229. The next prime is 3478243. The reversal of 3478238 is 8328743.

It is a junction number, because it is equal to n+sod(n) for n = 3478198 and 3478207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13406 + ... + 13662.

It is an arithmetic number, because the mean of its divisors is an integer number (335529).

Almost surely, 2^3478238 is an apocalyptic number.

3478238 is a deficient number, since it is larger than the sum of its proper divisors (1890226).

3478238 is a wasteful number, since it uses less digits than its factorization.

3478238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its digits is 32256, while the sum is 35.

The square root of 3478238 is about 1865.0034852514. The cubic root of 3478238 is about 151.5141167630.

Subtracting from 3478238 its sum of digits (35), we obtain a triangular number (3478203 = T₂₆₃₇).

The spelling of 3478238 in words is "three million, four hundred seventy-eight thousand, two hundred thirty-eight".