4009002 has 16 divisors (see below), whose sum is σ = 8068032. Its totient is φ = 1328000.

The previous prime is 4009001. The next prime is 4009003. The reversal of 4009002 is 2009004.

4009002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4009001) and next prime (4009003).

It is not an unprimeable number, because it can be changed into a prime (4009001) 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 7 ways as a sum of consecutive naturals, for example, 999 + ... + 3002.

It is an arithmetic number, because the mean of its divisors is an integer number (504252).

Almost surely, 2^4009002 is an apocalyptic number.

4009002 is an abundant number, since it is smaller than the sum of its proper divisors (4059030).

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

4009002 is a wasteful number, since it uses less digits than its factorization.

4009002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 4009002 is about 2002.2492352352. The cubic root of 4009002 is about 158.8590975129.

The spelling of 4009002 in words is "four million, nine thousand, two".