4142838 has 16 divisors (see below), whose sum is σ = 9469440. Its totient is φ = 1183656.

The previous prime is 4142813. The next prime is 4142857. The reversal of 4142838 is 8382414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49278 + ... + 49361.

It is an arithmetic number, because the mean of its divisors is an integer number (591840).

Almost surely, 2^4142838 is an apocalyptic number.

4142838 is an abundant number, since it is smaller than the sum of its proper divisors (5326602).

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

4142838 is a wasteful number, since it uses less digits than its factorization.

4142838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98651.

The product of its digits is 6144, while the sum is 30.

The square root of 4142838 is about 2035.3962759129. The cubic root of 4142838 is about 160.6075598157.

The spelling of 4142838 in words is "four million, one hundred forty-two thousand, eight hundred thirty-eight".