6898155 has 32 divisors (see below), whose sum is σ = 12192768. Its totient is φ = 3302400.

The previous prime is 6898139. The next prime is 6898163. The reversal of 6898155 is 5518986.

It is not a de Polignac number, because 6898155 - 2⁴ = 6898139 is a prime.

6898155 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15790 + ... + 16220.

It is an arithmetic number, because the mean of its divisors is an integer number (381024).

Almost surely, 2^6898155 is an apocalyptic number.

6898155 is a deficient number, since it is larger than the sum of its proper divisors (5294613).

6898155 is a wasteful number, since it uses less digits than its factorization.

6898155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its digits is 86400, while the sum is 42.

The square root of 6898155 is about 2626.4338940853. The cubic root of 6898155 is about 190.3608562253.

The spelling of 6898155 in words is "six million, eight hundred ninety-eight thousand, one hundred fifty-five".