4001338 has 16 divisors (see below), whose sum is σ = 6583680. Its totient is φ = 1808800.

The previous prime is 4001303. The next prime is 4001339. The reversal of 4001338 is 8331004.

It is not an unprimeable number, because it can be changed into a prime (4001339) 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, 4878 + ... + 5638.

It is an arithmetic number, because the mean of its divisors is an integer number (411480).

Almost surely, 2^4001338 is an apocalyptic number.

4001338 is a deficient number, since it is larger than the sum of its proper divisors (2582342).

4001338 is a wasteful number, since it uses less digits than its factorization.

4001338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4001338 is about 2000.3344720321. The cubic root of 4001338 is about 158.7578027454.

The spelling of 4001338 in words is "four million, one thousand, three hundred thirty-eight".