6121898 has 8 divisors (see below), whose sum is σ = 9268992. Its totient is φ = 3032236.

The previous prime is 6121897. The next prime is 6121919. The reversal of 6121898 is 8981216.

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6121897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14090 + ... + 14517.

It is an arithmetic number, because the mean of its divisors is an integer number (1158624).

Almost surely, 2^6121898 is an apocalyptic number.

6121898 is a deficient number, since it is larger than the sum of its proper divisors (3147094).

6121898 is a wasteful number, since it uses less digits than its factorization.

6121898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28716.

The product of its digits is 6912, while the sum is 35.

The square root of 6121898 is about 2474.2469561465. The cubic root of 6121898 is about 182.9343927580.

It can be divided in two parts, 61218 and 98, that added together give a palindrome (61316).

The spelling of 6121898 in words is "six million, one hundred twenty-one thousand, eight hundred ninety-eight".