6840102 has 16 divisors (see below), whose sum is σ = 13732272. Its totient is φ = 2271360.

The previous prime is 6840091. The next prime is 6840109. The reversal of 6840102 is 2010486.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343 + ... + 3714.

It is an arithmetic number, because the mean of its divisors is an integer number (858267).

Almost surely, 2^6840102 is an apocalyptic number.

6840102 is an abundant number, since it is smaller than the sum of its proper divisors (6892170).

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

6840102 is a wasteful number, since it uses less digits than its factorization.

6840102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 6840102 is about 2615.3588663891. The cubic root of 6840102 is about 189.8253427275.

Adding to 6840102 its product of nonzero digits (384), we get a palindrome (6840486).

Adding to 6840102 its reverse (2010486), we get a palindrome (8850588).

The spelling of 6840102 in words is "six million, eight hundred forty thousand, one hundred two".