283954940 has 12 divisors (see below), whose sum is σ = 596305416. Its totient is φ = 113581968.

The previous prime is 283954933. The next prime is 283954949. The reversal of 283954940 is 49459382.

It is a junction number, because it is equal to n+sod(n) for n = 283954891 and 283954900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283954949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7098854 + ... + 7098893.

It is an arithmetic number, because the mean of its divisors is an integer number (49692118).

Almost surely, 2^283954940 is an apocalyptic number.

283954940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283954940 is an abundant number, since it is smaller than the sum of its proper divisors (312350476).

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

283954940 is a wasteful number, since it uses less digits than its factorization.

283954940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14197756 (or 14197754 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 283954940 is about 16850.9625837814. The cubic root of 283954940 is about 657.2790797353.

The spelling of 283954940 in words is "two hundred eighty-three million, nine hundred fifty-four thousand, nine hundred forty".