4138902 has 12 divisors (see below), whose sum is σ = 8967660. Its totient is φ = 1379628.

The previous prime is 4138877. The next prime is 4138933. The reversal of 4138902 is 2098314.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114952 + ... + 114987.

It is an arithmetic number, because the mean of its divisors is an integer number (747305).

Almost surely, 2^4138902 is an apocalyptic number.

4138902 is an abundant number, since it is smaller than the sum of its proper divisors (4828758).

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

4138902 is a wasteful number, since it uses less digits than its factorization.

4138902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229947 (or 229944 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4138902 is about 2034.4291582653. The cubic root of 4138902 is about 160.5566807116.

The spelling of 4138902 in words is "four million, one hundred thirty-eight thousand, nine hundred two".