4030002 has 24 divisors (see below), whose sum is σ = 8777340. Its totient is φ = 1336320.

The previous prime is 4029979. The next prime is 4030007. The reversal of 4030002 is 2000304.

It can be written as a sum of positive squares in 2 ways, for example, as 3884841 + 145161 = 1971^2 + 381^2 .

It is a super-3 number, since 3×4030002³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3874 + ... + 4802.

Almost surely, 2^4030002 is an apocalyptic number.

4030002 is an abundant number, since it is smaller than the sum of its proper divisors (4747338).

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

4030002 is a wasteful number, since it uses less digits than its factorization.

4030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 4030002 is about 2007.4864881239. The cubic root of 4030002 is about 159.1359937727.

Adding to 4030002 its reverse (2000304), we get a palindrome (6030306).

The spelling of 4030002 in words is "four million, thirty thousand, two", and thus it is an eban number.