5280666 has 16 divisors (see below), whose sum is σ = 10584000. Its totient is φ = 1756448.

The previous prime is 5280661. The next prime is 5280703. The reversal of 5280666 is 6660825.

It is not an unprimeable number, because it can be changed into a prime (5280661) 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, 4510 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

Almost surely, 2^5280666 is an apocalyptic number.

5280666 is an abundant number, since it is smaller than the sum of its proper divisors (5303334).

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

5280666 is a wasteful number, since it uses less digits than its factorization.

5280666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 5280666 is about 2297.9699736942. The cubic root of 5280666 is about 174.1390749644.

The spelling of 5280666 in words is "five million, two hundred eighty thousand, six hundred sixty-six".