283906340 has 12 divisors (see below), whose sum is σ = 596203356. Its totient is φ = 113562528.

The previous prime is 283906331. The next prime is 283906349. The reversal of 283906340 is 43609382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (283906331) and next prime (283906349).

It can be written as a sum of positive squares in 2 ways, for example, as 204375616 + 79530724 = 14296^2 + 8918^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 283906340.

It is not an unprimeable number, because it can be changed into a prime (283906349) 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, 7097639 + ... + 7097678.

It is an arithmetic number, because the mean of its divisors is an integer number (49683613).

Almost surely, 2^283906340 is an apocalyptic number.

283906340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283906340 is an abundant number, since it is smaller than the sum of its proper divisors (312297016).

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

283906340 is a wasteful number, since it uses less digits than its factorization.

283906340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14195326 (or 14195324 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 283906340 is about 16849.5204679540. The cubic root of 283906340 is about 657.2415789662.

The spelling of 283906340 in words is "two hundred eighty-three million, nine hundred six thousand, three hundred forty".