283428733 has 4 divisors (see below), whose sum is σ = 323918560. Its totient is φ = 242938908.

The previous prime is 283428731. The next prime is 283428737. The reversal of 283428733 is 337824382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 283428733 - 2¹ = 283428731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283428731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20244903 + ... + 20244916.

It is an arithmetic number, because the mean of its divisors is an integer number (80979640).

Almost surely, 2^283428733 is an apocalyptic number.

It is an amenable number.

283428733 is a deficient number, since it is larger than the sum of its proper divisors (40489827).

283428733 is an equidigital number, since it uses as much as digits as its factorization.

283428733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40489826.

The product of its digits is 193536, while the sum is 40.

The square root of 283428733 is about 16835.3417844723. The cubic root of 283428733 is about 656.8728195991.

The spelling of 283428733 in words is "two hundred eighty-three million, four hundred twenty-eight thousand, seven hundred thirty-three".