4021074 has 24 divisors (see below), whose sum is σ = 8785920. Its totient is φ = 1329048.

The previous prime is 4021051. The next prime is 4021079. The reversal of 4021074 is 4701204.

It is a happy number.

It is a super-2 number, since 2×4021074² = 32338072226952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4021079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1407 + ... + 3165.

It is an arithmetic number, because the mean of its divisors is an integer number (366080).

Almost surely, 2^4021074 is an apocalyptic number.

4021074 is an abundant number, since it is smaller than the sum of its proper divisors (4764846).

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

4021074 is a wasteful number, since it uses less digits than its factorization.

4021074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4021074 is about 2005.2615789467. The cubic root of 4021074 is about 159.0183911324.

Adding to 4021074 its reverse (4701204), we get a palindrome (8722278).

The spelling of 4021074 in words is "four million, twenty-one thousand, seventy-four".