283371428 has 12 divisors (see below), whose sum is σ = 498641052. Its totient is φ = 140902560.

The previous prime is 283371409. The next prime is 283371433. The reversal of 283371428 is 824173382.

It can be written as a sum of positive squares in 2 ways, for example, as 20866624 + 262504804 = 4568^2 + 16202^2 .

It is a junction number, because it is equal to n+sod(n) for n = 283371391 and 283371400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194975 + ... + 196422.

It is an arithmetic number, because the mean of its divisors is an integer number (41553421).

Almost surely, 2^283371428 is an apocalyptic number.

It is an amenable number.

283371428 is a deficient number, since it is larger than the sum of its proper divisors (215269624).

283371428 is a wasteful number, since it uses less digits than its factorization.

283371428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391582 (or 391580 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 283371428 is about 16833.6397727883. The cubic root of 283371428 is about 656.8285467012.

The spelling of 283371428 in words is "two hundred eighty-three million, three hundred seventy-one thousand, four hundred twenty-eight".