5451866 has 16 divisors (see below), whose sum is σ = 9896256. Its totient is φ = 2198976.

The previous prime is 5451847. The next prime is 5451871. The reversal of 5451866 is 6681545.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11216 + ... + 11691.

It is an arithmetic number, because the mean of its divisors is an integer number (618516).

Almost surely, 2^5451866 is an apocalyptic number.

5451866 is a deficient number, since it is larger than the sum of its proper divisors (4444390).

5451866 is a wasteful number, since it uses less digits than its factorization.

5451866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22933.

The product of its digits is 28800, while the sum is 35.

The square root of 5451866 is about 2334.9231250729. The cubic root of 5451866 is about 176.0009684864. Note that the first 3 decimals are identical.

The spelling of 5451866 in words is "five million, four hundred fifty-one thousand, eight hundred sixty-six".