4172634 has 40 divisors (see below), whose sum is σ = 9583200. Its totient is φ = 1356264.

The previous prime is 4172627. The next prime is 4172639. The reversal of 4172634 is 4362714.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4172598 and 4172607.

It is not an unprimeable number, because it can be changed into a prime (4172639) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6667 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (239580).

Almost surely, 2^4172634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4172634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4791600).

4172634 is an abundant number, since it is smaller than the sum of its proper divisors (5410566).

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

4172634 is a wasteful number, since it uses less digits than its factorization.

4172634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 647 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 4172634 is about 2042.7026215286. The cubic root of 4172634 is about 160.9916794177.

The spelling of 4172634 in words is "four million, one hundred seventy-two thousand, six hundred thirty-four".