6801898 has 4 divisors (see below), whose sum is σ = 10202850. Its totient is φ = 3400948.

The previous prime is 6801889. The next prime is 6801919. The reversal of 6801898 is 8981086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6517809 + 284089 = 2553^2 + 533^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6801898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700473 + ... + 1700476.

Almost surely, 2^6801898 is an apocalyptic number.

6801898 is a deficient number, since it is larger than the sum of its proper divisors (3400952).

6801898 is a wasteful number, since it uses less digits than its factorization.

6801898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400951.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 6801898 is about 2608.0448615773. The cubic root of 6801898 is about 189.4712724162.

The spelling of 6801898 in words is "six million, eight hundred one thousand, eight hundred ninety-eight".