283948665 has 64 divisors (see below), whose sum is σ = 610025472. Its totient is φ = 108921600.

The previous prime is 283948663. The next prime is 283948697. The reversal of 283948665 is 566849382.

It is not a de Polignac number, because 283948665 - 2¹ = 283948663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (283948661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5560 + ... + 24470.

It is an arithmetic number, because the mean of its divisors is an integer number (9531648).

Almost surely, 2^283948665 is an apocalyptic number.

It is an amenable number.

283948665 is an abundant number, since it is smaller than the sum of its proper divisors (326076807).

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

283948665 is a wasteful number, since it uses less digits than its factorization.

283948665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18950.

The product of its digits is 2488320, while the sum is 51.

The square root of 283948665 is about 16850.7763916088. The cubic root of 283948665 is about 657.2742380556.

The spelling of 283948665 in words is "two hundred eighty-three million, nine hundred forty-eight thousand, six hundred sixty-five".