283998666 has 16 divisors (see below), whose sum is σ = 649139904. Its totient is φ = 81142464.

The previous prime is 283998661. The next prime is 283998667. The reversal of 283998666 is 666899382.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (283998661) 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, 3380895 + ... + 3380978.

It is an arithmetic number, because the mean of its divisors is an integer number (40571244).

Almost surely, 2^283998666 is an apocalyptic number.

283998666 is an abundant number, since it is smaller than the sum of its proper divisors (365141238).

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

283998666 is a wasteful number, since it uses less digits than its factorization.

283998666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761885.

The product of its digits is 6718464, while the sum is 57.

The square root of 283998666 is about 16852.2599671379. The cubic root of 283998666 is about 657.3128159681.

The spelling of 283998666 in words is "two hundred eighty-three million, nine hundred ninety-eight thousand, six hundred sixty-six".