4138002 has 24 divisors (see below), whose sum is σ = 9781200. Its totient is φ = 1253880.

The previous prime is 4137997. The next prime is 4138033. The reversal of 4138002 is 2008314.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10252 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (407550).

Almost surely, 2^4138002 is an apocalyptic number.

4138002 is an abundant number, since it is smaller than the sum of its proper divisors (5643198).

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

4138002 is a wasteful number, since it uses less digits than its factorization.

4138002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20918 (or 20915 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4138002 is about 2034.2079539713. The cubic root of 4138002 is about 160.5450422394.

The spelling of 4138002 in words is "four million, one hundred thirty-eight thousand, two".