283840385673 has 32 divisors (see below), whose sum is σ = 429674232960. Its totient is φ = 165224102400.

The previous prime is 283840385599. The next prime is 283840385693. The reversal of 283840385673 is 376583048382.

It is not a de Polignac number, because 283840385673 - 2⁸ = 283840385417 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (283840385693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190573 + ... + 777173.

It is an arithmetic number, because the mean of its divisors is an integer number (13427319780).

Almost surely, 2^283840385673 is an apocalyptic number.

It is an amenable number.

283840385673 is a deficient number, since it is larger than the sum of its proper divisors (145833847287).

283840385673 is a wasteful number, since it uses less digits than its factorization.

283840385673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587289.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 283840385673 in words is "two hundred eighty-three billion, eight hundred forty million, three hundred eighty-five thousand, six hundred seventy-three".