4021094 has 16 divisors (see below), whose sum is σ = 7520256. Its totient is φ = 1566600.

The previous prime is 4021091. The next prime is 4021097. The reversal of 4021094 is 4901204.

It is an interprime number because it is at equal distance from previous prime (4021091) and next prime (4021097).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021091) 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, 12902 + ... + 13209.

It is an arithmetic number, because the mean of its divisors is an integer number (470016).

Almost surely, 2^4021094 is an apocalyptic number.

4021094 is a deficient number, since it is larger than the sum of its proper divisors (3499162).

4021094 is a wasteful number, since it uses less digits than its factorization.

4021094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26131.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4021094 is about 2005.2665658211. The cubic root of 4021094 is about 159.0186547736.

Adding to 4021094 its reverse (4901204), we get a palindrome (8922298).

It can be divided in two parts, 40210 and 94, that added together give a palindrome (40304).

The spelling of 4021094 in words is "four million, twenty-one thousand, ninety-four".