4140342 has 16 divisors (see below), whose sum is σ = 9200880. Its totient is φ = 1380096.

The previous prime is 4140287. The next prime is 4140361. The reversal of 4140342 is 2430414.

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

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, 38283 + ... + 38390.

It is an arithmetic number, because the mean of its divisors is an integer number (575055).

Almost surely, 2^4140342 is an apocalyptic number.

4140342 is an abundant number, since it is smaller than the sum of its proper divisors (5060538).

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

4140342 is a wasteful number, since it uses less digits than its factorization.

4140342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76684 (or 76678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4140342 is about 2034.7830351170. The cubic root of 4140342 is about 160.5752987583.

Adding to 4140342 its reverse (2430414), we get a palindrome (6570756).

The spelling of 4140342 in words is "four million, one hundred forty thousand, three hundred forty-two".