5400666 has 24 divisors (see below), whose sum is σ = 11784864. Its totient is φ = 1787400.

The previous prime is 5400649. The next prime is 5400673. The reversal of 5400666 is 6660045.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1725 + ... + 3711.

It is an arithmetic number, because the mean of its divisors is an integer number (491036).

Almost surely, 2^5400666 is an apocalyptic number.

5400666 is an abundant number, since it is smaller than the sum of its proper divisors (6384198).

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

5400666 is a wasteful number, since it uses less digits than its factorization.

5400666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5400666 is about 2323.9333036901. The cubic root of 5400666 is about 175.4482765734.

The spelling of 5400666 in words is "five million, four hundred thousand, six hundred sixty-six".