6860990 has 8 divisors (see below), whose sum is σ = 12349800. Its totient is φ = 2744392.

The previous prime is 6860989. The next prime is 6860999. The reversal of 6860990 is 990686.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6860999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343040 + ... + 343059.

It is an arithmetic number, because the mean of its divisors is an integer number (1543725).

Almost surely, 2^6860990 is an apocalyptic number.

6860990 is a deficient number, since it is larger than the sum of its proper divisors (5488810).

6860990 is a wasteful number, since it uses less digits than its factorization.

6860990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686106.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 6860990 is about 2619.3491558019. The cubic root of 6860990 is about 190.0183731078.

The spelling of 6860990 in words is "six million, eight hundred sixty thousand, nine hundred ninety".