4000814 has 8 divisors (see below), whose sum is σ = 6354288. Its totient is φ = 1882720.

The previous prime is 4000813. The next prime is 4000823. The reversal of 4000814 is 4180004.

It is a happy number.

4000814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

4000814 is a modest number, since divided by 814 gives 4 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4000792 and 4000801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58802 + ... + 58869.

It is an arithmetic number, because the mean of its divisors is an integer number (794286).

Almost surely, 2^4000814 is an apocalyptic number.

4000814 is a deficient number, since it is larger than the sum of its proper divisors (2353474).

4000814 is a wasteful number, since it uses less digits than its factorization.

4000814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117690.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4000814 is about 2000.2034896480. The cubic root of 4000814 is about 158.7508723370.

Adding to 4000814 its reverse (4180004), we get a palindrome (8180818).

The spelling of 4000814 in words is "four million, eight hundred fourteen", and thus it is an aban number.