6861002 has 8 divisors (see below), whose sum is σ = 10311300. Its totient is φ = 3423904.

The previous prime is 6860999. The next prime is 6861011. The reversal of 6861002 is 2001686.

It can be written as a sum of positive squares in 2 ways, for example, as 6817321 + 43681 = 2611^2 + 209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877 + ... + 4152.

Almost surely, 2^6861002 is an apocalyptic number.

6861002 is a deficient number, since it is larger than the sum of its proper divisors (3450298).

6861002 is a wasteful number, since it uses less digits than its factorization.

6861002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 6861002 is about 2619.3514464462. The cubic root of 6861002 is about 190.0184838897.

Adding to 6861002 its reverse (2001686), we get a palindrome (8862688).

The spelling of 6861002 in words is "six million, eight hundred sixty-one thousand, two".