4172628 has 24 divisors (see below), whose sum is σ = 10249120. Its totient is φ = 1317600.

The previous prime is 4172627. The next prime is 4172639. The reversal of 4172628 is 8262714.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4172595 and 4172604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172621) 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, 8923 + ... + 9378.

Almost surely, 2^4172628 is an apocalyptic number.

It is an amenable number.

4172628 is an abundant number, since it is smaller than the sum of its proper divisors (6076492).

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

4172628 is a wasteful number, since it uses less digits than its factorization.

4172628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18327 (or 18325 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 4172628 is about 2042.7011528856. The cubic root of 4172628 is about 160.9916022522.

The spelling of 4172628 in words is "four million, one hundred seventy-two thousand, six hundred twenty-eight".