6898554 has 64 divisors (see below), whose sum is σ = 17095680. Its totient is φ = 2047680.

The previous prime is 6898553. The next prime is 6898571. The reversal of 6898554 is 4558986.

6898554 is a `hidden beast` number, since 6 + 8 + 98 + 554 = 666.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6898553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21604 + ... + 21920.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

Almost surely, 2^6898554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6898554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8547840).

6898554 is an abundant number, since it is smaller than the sum of its proper divisors (10197126).

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

6898554 is a wasteful number, since it uses less digits than its factorization.

6898554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 366 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 6898554 is about 2626.5098514949. The cubic root of 6898554 is about 190.3645264104.

The spelling of 6898554 in words is "six million, eight hundred ninety-eight thousand, five hundred fifty-four".