6461898 has 16 divisors (see below), whose sum is σ = 13003200. Its totient is φ = 2140736.

The previous prime is 6461893. The next prime is 6461899. The reversal of 6461898 is 8981646.

It is a super-2 number, since 2×6461898² = 83512251524808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6461891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223 + ... + 4226.

It is an arithmetic number, because the mean of its divisors is an integer number (812700).

Almost surely, 2^6461898 is an apocalyptic number.

6461898 is an abundant number, since it is smaller than the sum of its proper divisors (6541302).

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

6461898 is a wasteful number, since it uses less digits than its factorization.

6461898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621.

The product of its digits is 82944, while the sum is 42.

The square root of 6461898 is about 2542.0263570624. The cubic root of 6461898 is about 186.2601862213.

The spelling of 6461898 in words is "six million, four hundred sixty-one thousand, eight hundred ninety-eight".