5403666 has 16 divisors (see below), whose sum is σ = 11277504. Its totient is φ = 1722864.

The previous prime is 5403661. The next prime is 5403667. The reversal of 5403666 is 6663045.

It is not an unprimeable number, because it can be changed into a prime (5403661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19441 + ... + 19716.

It is an arithmetic number, because the mean of its divisors is an integer number (704844).

Almost surely, 2^5403666 is an apocalyptic number.

5403666 is an abundant number, since it is smaller than the sum of its proper divisors (5873838).

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

5403666 is a wasteful number, since it uses less digits than its factorization.

5403666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39185.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 5403666 is about 2324.5786715016. The cubic root of 5403666 is about 175.4807569749.

The spelling of 5403666 in words is "five million, four hundred three thousand, six hundred sixty-six".