4002102 has 32 divisors (see below), whose sum is σ = 9579360. Its totient is φ = 1231200.

The previous prime is 4002101. The next prime is 4002109. The reversal of 4002102 is 2012004.

4002102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002101) 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 15 ways as a sum of consecutive naturals, for example, 2149 + ... + 3552.

It is an arithmetic number, because the mean of its divisors is an integer number (299355).

Almost surely, 2^4002102 is an apocalyptic number.

4002102 is an abundant number, since it is smaller than the sum of its proper divisors (5577258).

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

4002102 is a wasteful number, since it uses less digits than its factorization.

4002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725 (or 5719 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 4002102 is about 2000.5254309806. The cubic root of 4002102 is about 158.7679063027.

Adding to 4002102 its reverse (2012004), we get a palindrome (6014106).

The spelling of 4002102 in words is "four million, two thousand, one hundred two".