4128266 has 16 divisors (see below), whose sum is σ = 6474600. Its totient is φ = 1971648.

The previous prime is 4128253. The next prime is 4128281. The reversal of 4128266 is 6628214.

It can be written as a sum of positive squares in 4 ways, for example, as 3441025 + 687241 = 1855^2 + 829^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5996 + ... + 6648.

Almost surely, 2^4128266 is an apocalyptic number.

4128266 is a deficient number, since it is larger than the sum of its proper divisors (2346334).

4128266 is a wasteful number, since it uses less digits than its factorization.

4128266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its digits is 4608, while the sum is 29.

The square root of 4128266 is about 2031.8134756911. The cubic root of 4128266 is about 160.4190318273.

The spelling of 4128266 in words is "four million, one hundred twenty-eight thousand, two hundred sixty-six".