4128893 has 4 divisors (see below), whose sum is σ = 4133628. Its totient is φ = 4124160.

The previous prime is 4128889. The next prime is 4128899. The reversal of 4128893 is 3988214.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3485689 + 643204 = 1867^2 + 802^2 .

It is a cyclic number.

It is not a de Polignac number, because 4128893 - 2² = 4128889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128899) 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, 638 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (1033407).

Almost surely, 2^4128893 is an apocalyptic number.

It is an amenable number.

4128893 is a deficient number, since it is larger than the sum of its proper divisors (4735).

4128893 is a wasteful number, since it uses less digits than its factorization.

4128893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734.

The product of its digits is 13824, while the sum is 35.

The square root of 4128893 is about 2031.9677654924. The cubic root of 4128893 is about 160.4271528836.

The spelling of 4128893 in words is "four million, one hundred twenty-eight thousand, eight hundred ninety-three".