283348040 has 64 divisors (see below), whose sum is σ = 674524800. Its totient is φ = 106900992.

The previous prime is 283348033. The next prime is 283348069. The reversal of 283348040 is 40843382.

It is a super-2 number, since 2×283348040² = 160572223543683200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 283347988 and 283348006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65051 + ... + 69269.

It is an arithmetic number, because the mean of its divisors is an integer number (10539450).

Almost surely, 2^283348040 is an apocalyptic number.

283348040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283348040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337262400).

283348040 is an abundant number, since it is smaller than the sum of its proper divisors (391176760).

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

283348040 is a wasteful number, since it uses less digits than its factorization.

283348040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326 (or 4322 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 283348040 is about 16832.9450780308. The cubic root of 283348040 is about 656.8104758030.

The spelling of 283348040 in words is "two hundred eighty-three million, three hundred forty-eight thousand, forty".