6411898 has 4 divisors (see below), whose sum is σ = 9617850. Its totient is φ = 3205948.

The previous prime is 6411883. The next prime is 6411901. The reversal of 6411898 is 8981146.

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., 3359889 + 3052009 = 1833^2 + 1747^2 .

It is a super-2 number, since 2×6411898² = 82224871924808, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1602973 + ... + 1602976.

Almost surely, 2^6411898 is an apocalyptic number.

6411898 is a deficient number, since it is larger than the sum of its proper divisors (3205952).

6411898 is a wasteful number, since it uses less digits than its factorization.

6411898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205951.

The product of its digits is 13824, while the sum is 37.

The square root of 6411898 is about 2532.1725849555. The cubic root of 6411898 is about 185.7785355041.

The spelling of 6411898 in words is "six million, four hundred eleven thousand, eight hundred ninety-eight".