4020326 has 8 divisors (see below), whose sum is σ = 6049704. Its totient is φ = 2003760.

The previous prime is 4020323. The next prime is 4020349. The reversal of 4020326 is 6230204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4020326² = 32326042292552, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020323) 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, 2375 + ... + 3698.

It is an arithmetic number, because the mean of its divisors is an integer number (756213).

Almost surely, 2^4020326 is an apocalyptic number.

4020326 is a deficient number, since it is larger than the sum of its proper divisors (2029378).

4020326 is a wasteful number, since it uses less digits than its factorization.

4020326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6406.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4020326 is about 2005.0750609391. The cubic root of 4020326 is about 159.0085303230.

The spelling of 4020326 in words is "four million, twenty thousand, three hundred twenty-six".