4271628 has 12 divisors (see below), whose sum is σ = 9967160. Its totient is φ = 1423872.

The previous prime is 4271627. The next prime is 4271711. The reversal of 4271628 is 8261724.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4271595 and 4271604.

It is not an unprimeable number, because it can be changed into a prime (4271621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177973 + ... + 177996.

Almost surely, 2^4271628 is an apocalyptic number.

It is an amenable number.

4271628 is an abundant number, since it is smaller than the sum of its proper divisors (5695532).

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

4271628 is a wasteful number, since it uses less digits than its factorization.

4271628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355976 (or 355974 counting only the distinct ones).

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

The square root of 4271628 is about 2066.7917166468. The cubic root of 4271628 is about 162.2548951794.

The spelling of 4271628 in words is "four million, two hundred seventy-one thousand, six hundred twenty-eight".