4000330 has 8 divisors (see below), whose sum is σ = 7200612. Its totient is φ = 1600128.

The previous prime is 4000309. The next prime is 4000343. The reversal of 4000330 is 330004.

It can be written as a sum of positive squares in 2 ways, for example, as 3988009 + 12321 = 1997^2 + 111^2 .

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 (10), and also a Moran number because the ratio is a prime number: 400033 = 4000330 / (4 + 0 + 0 + 0 + 3 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200007 + ... + 200026.

Almost surely, 2^4000330 is an apocalyptic number.

4000330 is a deficient number, since it is larger than the sum of its proper divisors (3200282).

4000330 is a wasteful number, since it uses less digits than its factorization.

4000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400040.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 4000330 is about 2000.0824982985. The cubic root of 4000330 is about 158.7444704297.

Adding to 4000330 its reverse (330004), we get a palindrome (4330334).

The spelling of 4000330 in words is "four million, three hundred thirty", and thus it is an aban number.