6861042 has 12 divisors (see below), whose sum is σ = 14865630. Its totient is φ = 2287008.

The previous prime is 6861017. The next prime is 6861053. The reversal of 6861042 is 2401686.

6861042 is a `hidden beast` number, since 6 + 8 + 610 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6610041 + 251001 = 2571^2 + 501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6860997 and 6861015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190567 + ... + 190602.

Almost surely, 2^6861042 is an apocalyptic number.

6861042 is an abundant number, since it is smaller than the sum of its proper divisors (8004588).

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

6861042 is a wasteful number, since it uses less digits than its factorization.

6861042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381177 (or 381174 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 6861042 is about 2619.3590819130. The cubic root of 6861042 is about 190.0188531615.

It can be divided in two parts, 686 and 1042, that added together give a cube (1728 = 12³).

The spelling of 6861042 in words is "six million, eight hundred sixty-one thousand, forty-two".