4174638 has 48 divisors (see below), whose sum is σ = 9486720. Its totient is φ = 1221792.

The previous prime is 4174631. The next prime is 4174649. The reversal of 4174638 is 8364714.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4174599 and 4174608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4174631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23233 + ... + 23411.

It is an arithmetic number, because the mean of its divisors is an integer number (197640).

Almost surely, 2^4174638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4174638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4743360).

4174638 is an abundant number, since it is smaller than the sum of its proper divisors (5312082).

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

4174638 is a wasteful number, since it uses less digits than its factorization.

4174638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 220 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 4174638 is about 2043.1930892600. The cubic root of 4174638 is about 161.0174485674.

Subtracting from 4174638 its sum of digits (33), we obtain a triangular number (4174605 = T₂₈₈₉).

The spelling of 4174638 in words is "four million, one hundred seventy-four thousand, six hundred thirty-eight".