4172432 has 40 divisors (see below), whose sum is σ = 8933952. Its totient is φ = 1872000.

The previous prime is 4172431. The next prime is 4172471. The reversal of 4172432 is 2342714.

It is a nialpdrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 4172398 and 4172407.

It is not an unprimeable number, because it can be changed into a prime (4172431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26498 + ... + 26654.

Almost surely, 2^4172432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4172432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4466976).

4172432 is an abundant number, since it is smaller than the sum of its proper divisors (4761520).

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

4172432 is a wasteful number, since it uses less digits than its factorization.

4172432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 321 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 4172432 is about 2042.6531766308. The cubic root of 4172432 is about 160.9890814709.

The spelling of 4172432 in words is "four million, one hundred seventy-two thousand, four hundred thirty-two".