6861850 has 48 divisors (see below), whose sum is σ = 13927680. Its totient is φ = 2505600.

The previous prime is 6861847. The next prime is 6861851. The reversal of 6861850 is 581686.

6861850 = 171² + 172² + ... + 294².

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6861851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29334 + ... + 29566.

It is an arithmetic number, because the mean of its divisors is an integer number (290160).

Almost surely, 2^6861850 is an apocalyptic number.

6861850 is an abundant number, since it is smaller than the sum of its proper divisors (7065830).

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

6861850 is a wasteful number, since it uses less digits than its factorization.

6861850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 6861850 is about 2619.5133135756. The cubic root of 6861850 is about 190.0263121455.

The spelling of 6861850 in words is "six million, eight hundred sixty-one thousand, eight hundred fifty".